Bonny Doon Weather

Town • San Francisco Bay Area

Santa Cruz Mountains community

61°
😊
Comfort Score
89(A-)
Excellent
Weather updated October 1, 2026 at 3:16 AM PDT

Bonny Doon weather at a glance

Bonny Doon is a town at 1,300 feet in San Francisco Bay Area. Santa Cruz Mountains community. Notable features include cool, redwoods, rural, and wine.

Current conditions are 61°F, feeling like 57°F, with 47% humidity, winds near 4 mph, 0% cloud cover, and a 0% chance of precipitation. Mild with clear skies.

The location-specific climate baseline shows an average daily high of 68°F and an average low of 46°F, with about 10.6 hours of sunshine per day and 1.1 hours of morning fog per day. Expected annual precipitation is approximately 36.1 inches.

Plan your week

10-Day Forecast

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  1. Best day
    Today
    Oct 1
    77°58°
    Comfort
    94
    0%
    Precip 0 in
  2. Fri
    Oct 2
    82°55°
    Comfort
    81
    0%
    Precip 0 in
  3. Sat
    Oct 3
    95°65°
    Comfort
    61
    0%
    Precip 0 in
  4. Sun
    Oct 4
    96°68°
    Comfort
    62
    0%
    Precip 0 in
  5. Mon
    Oct 5
    99°67°
    Comfort
    59
    0%
    Precip 0 in
  6. Tue
    Oct 6
    100°69°
    Comfort
    59
    0%
    Precip 0 in
  7. Wed
    Oct 7
    101°69°
    Comfort
    58
    0%
    Precip 0 in
  8. Thu
    Oct 8
    96°63°
    Comfort
    60
    0%
    Precip 0 in
  9. Fri
    Oct 9
    89°56°
    Comfort
    67
    0%
    Precip 0 in
  10. Sat
    Oct 10
    89°53°
    Comfort
    72
    1%
    Precip 0 in

Hour by hour

Hourly Forecast

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  1. Today
    Now
    61°
    Comfort
    89
    0%
    0 in
  2. Today
    4 AM
    61°
    Comfort
    90
    0%
    0 in
  3. Today
    5 AM
    61°
    Comfort
    91
    0%
    0 in
  4. Today
    6 AM
    62°
    Comfort
    90
    0%
    0 in
  5. Today
    7 AM
    62°
    Comfort
    89
    0%
    0 in
  6. Sunrise7:04 AM
  7. Today
    8 AM
    62°
    Comfort
    89
    0%
    0 in
  8. Today
    9 AM
    67°
    Comfort
    96
    0%
    0 in
  9. Today
    10 AM
    68°
    Comfort
    99
    0%
    0 in
  10. Today
    11 AM
    71°
    Comfort
    100
    0%
    0 in
  11. Today
    12 PM
    73°
    Comfort
    100
    0%
    0 in
  12. Today
    1 PM
    76°
    Comfort
    98
    0%
    0 in
  13. Today
    2 PM
    77°
    Comfort
    97
    0%
    0 in
  14. Today
    3 PM
    76°
    Comfort
    98
    0%
    0 in
  15. Today
    4 PM
    76°
    Comfort
    98
    0%
    0 in
  16. Today
    5 PM
    71°
    Comfort
    98
    0%
    0 in
  17. Today
    6 PM
    68°
    Comfort
    97
    0%
    0 in
  18. Sunset6:51 PM
  19. Today
    7 PM
    64°
    Comfort
    93
    0%
    0 in
  20. Today
    8 PM
    60°
    Comfort
    87
    0%
    0 in
  21. Today
    9 PM
    61°
    Comfort
    87
    0%
    0 in
  22. Today
    10 PM
    58°
    Comfort
    85
    0%
    0 in
  23. Today
    11 PM
    62°
    Comfort
    87
    0%
    0 in
  24. Fri
    12 AM
    62°
    Comfort
    83
    0%
    0 in
  25. Fri
    1 AM
    58°
    Comfort
    83
    0%
    0 in
  26. Fri
    2 AM
    56°
    Comfort
    85
    0%
    0 in
  27. Fri
    3 AM
    64°
    Comfort
    88
    0%
    0 in
  28. Fri
    4 AM
    67°
    Comfort
    91
    0%
    0 in
  29. Fri
    5 AM
    55°
    Comfort
    82
    0%
    0 in
  30. Fri
    6 AM
    61°
    Comfort
    87
    0%
    0 in
  31. Fri
    7 AM
    63°
    Comfort
    86
    0%
    0 in
  32. Sunrise7:05 AM
  33. Fri
    8 AM
    65°
    Comfort
    85
    0%
    0 in
  34. Fri
    9 AM
    71°
    Comfort
    96
    0%
    0 in
  35. Fri
    10 AM
    78°
    Comfort
    96
    0%
    0 in
  36. Fri
    11 AM
    77°
    Comfort
    97
    0%
    0 in
  37. Fri
    12 PM
    80°
    Comfort
    93
    0%
    0 in
  38. Fri
    1 PM
    74°
    Comfort
    96
    0%
    0 in
  39. Fri
    2 PM
    77°
    Comfort
    94
    0%
    0 in
  40. Fri
    3 PM
    82°
    Comfort
    94
    0%
    0 in
  41. Fri
    4 PM
    79°
    Comfort
    97
    0%
    0 in
  42. Fri
    5 PM
    77°
    Comfort
    98
    0%
    0 in
  43. Fri
    6 PM
    77°
    Comfort
    97
    0%
    0 in
  44. Sunset6:50 PM
  45. Fri
    7 PM
    72°
    Comfort
    96
    0%
    0 in
  46. Fri
    8 PM
    68°
    Comfort
    93
    0%
    0 in
  47. Fri
    9 PM
    68°
    Comfort
    93
    0%
    0 in
  48. Fri
    10 PM
    69°
    Comfort
    93
    0%
    0 in
  49. Fri
    11 PM
    66°
    Comfort
    93
    0%
    0 in
  50. Sat
    12 AM
    65°
    Comfort
    92
    0%
    0 in
  51. Sat
    1 AM
    65°
    Comfort
    92
    0%
    0 in
  52. Sat
    2 AM
    65°
    Comfort
    93
    0%
    0 in

Current Conditions

Temperature
61°F
Feels like 57°F
Humidity
47%
Dew point 41°F
Wind
4 mph
NW • Gusts 5 mph
Cloud Cover
0%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Thermal77
Wind100
Stars Visible100
Moisture99
Precipitation100

Weather Maps

About the weather maps for Bonny Doon

Each preview is centered on Bonny Doon, with the red pin marking its approximate location. Satellite imagery provides cloud context, radar shows nearby precipitation, and the fog view shows the marine-layer or low-cloud field when that regional layer is available.

These images cover a wider area than the point forecast, so a nearby cloud or rain band may not be directly over Bonny Doon. Open a preview for the interactive map and its latest timestamp before making a weather-sensitive decision.

Climate Dashboard

Current conditions vs. NOAA normals and recent destination baseline

Today's High vs Normal
77°Fforecast
4° above normal
Normal: 73°F
Rainfall Year-to-Date
25.4"
1% above average
30-yr avg: 25.2"
Sunny Days
25last 28 days
2 fewer than baseline
Typical: 27
Foggy Days
14last 28 days
vs 3 typical
Foggier than usual
Avg Wind Speed
7.0 mphlast 28 days
1.5 mph calmer than baseline
Typical: 8.6 mph
Comfort Score
8528-day avg
5 pts below typical
Recent baseline: 90
What the Bonny Doon climate comparisons mean

These cards compare recent conditions at Bonny Doon with the available local baseline. Temperature and year-to-date rainfall use long-term normals when available; fog, sunshine, wind, and comfort use the matching recent or modeled baseline identified on each card.

Positive and negative differences describe how Bonny Doon departs from its own usual pattern. They should not be read as a direct comparison with another city or as a forecast beyond the period shown.

Historical Climate Data

Long-term weather patterns and climate data

Data sources: NOAA URMA for recent temperature history, NOAA Stage IV for recent precipitation, NOAA HRRR for fog, cloud, wind, humidity, and sunshine signals, and NOAA 1991-2020 climate normals for long-term baselines.

Climate Overview

Based on NOAA 30-year temperature/rain normals (1991-2020) with recent fog/sun baseline

81
Avg Comfort
67.9°
Avg High
45.7°
Avg Low
70%
Perfect Days
☀️ Avg Sunshine10.6h/day
🌫️ Avg Fog1.1h/day
💧 Avg Annual Rain36.1"
🌧️ Rainy Days/yr70 (19%)
🌫️ Foggy Days/yr59
✨ Perfect Days (80+)468

🌟 Best Months to Visit

1. July91
77.8° / 52.1° · ☀️ 13.3h
4 foggy days · 0 rainy days
2. August89
79.2° / 52.8° · ☀️ 12.6h
4 foggy days · 0 rainy days
3. June87
73.9° / 48° · ☀️ 13.3h
5 foggy days · 1 rainy days

⚠️ Challenging Months

1. December43
57.6° / 40.4° · ☀️ 7.4h
💧 6.2" · 11 rainy days · 6 foggy days
2. January45
58.4° / 41.1° · ☀️ 7.7h
💧 6.2" · 10 rainy days · 6 foggy days
3. February49
58.4° / 40.8° · ☀️ 8.7h
💧 8.4" · 10 rainy days · 5 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
October 20248257.6° / 46.8°9h0d0.19"1
November 20247757.8° / 48.6°6.5h2d4.92"18
December 20247259.7° / 50.4°5.2h9d8.17"15
January 20258057.1° / 46.6°6.5h4d0.38"19
February 20257256.6° / 46.6°6.4h7d13.02"13
March 20257154.7° / 43.9°7h8d4.89"15
April 20257959.4° / 45.1°9.1h15d0.84"17
May 20258668.5° / 49.1°11.4h12d0.19"22
June 20258870° / 52.4°12.3h14d0"23
July 20258670.3° / 52.4°11.6h19d0.04"26
August 20259079.2° / 58.2°11.3h9d0"29
September 20258573.3° / 58°8.9h14d0.14"23
October 20258566.1° / 53.7°7.9h9d2.79"23
November 20257863.6° / 52.9°6.4h7d8.24"18
December 20257462.2° / 52.9°5.4h7d5.06"18
January 20267961.9° / 53°6.3h5d9.32"21
February 20267360.1° / 50.3°6.7h5d9.15"16
March 20269272.9° / 58.4°9.7h3d0.06"28
April 20267960.6° / 48.4°8.6h8d5.97"19
May 20268665.6° / 50°11.1h10d0.85"24
June 20268469.4° / 51.8°11h17d0"26
July 20268876.5° / 56.8°11.4h12d0"27
August 20268676.4° / 57.5°10.5h15d0"27
Last updated: 9/2/2026

Climate Trends

Average Temperature by Month

83°F72°F62°F51°F40°FOct '24Nov '24Dec '24Jan '25Feb '25Mar '25Apr '25May '25Jun '25Jul '25Aug '25Sep '25Oct '25Nov '25Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26Jul '26Aug '26
Average High
Average Low
About the Bonny Doon climate charts

The temperature chart compares average monthly highs and lows at Bonny Doon, showing both the seasonal cycle and the typical day-to-night range. The comfort chart summarizes how often the combined weather pattern is favorable rather than judging temperature alone.

Precipitation shows the total recorded or modeled rainfall for each month at Bonny Doon. Sunshine compares average bright-sky hours with the daylight available, while fog shows the average number of morning fog or low-cloud hours per day. Switch between the chart tabs to compare the same months across each measure.

Hourly Temperature, Fog, Wind, Cloud Cover, and Solar Radiation Patterns

Average local hour by month from 2014-09-30 to 2026-04-30

How to read the temperature heatmap for Bonny Doon

This heatmap shows how average temperature at Bonny Doon changes by hour and month. Read left to right for the seasons and top to bottom for the time of day; warmer colors identify the usual afternoon peaks and cooler colors show overnight and winter lows.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the fog heatmap for Bonny Doon

This heatmap shows when fog or low cloud is most likely at Bonny Doon. Darker cells mark month-and-hour combinations with a stronger historical fog signal, which helps separate overnight or morning fog from cloud that tends to linger into the afternoon.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the wind heatmap for Bonny Doon

This heatmap shows the typical hourly wind pattern at Bonny Doon through the year. It makes recurring afternoon wind, calmer overnight periods, and seasonal changes easier to compare than a single daily wind value.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the cloud cover heatmap for Bonny Doon

This heatmap shows average cloud cover at Bonny Doon for every month and hour. Use it to see whether cloudiness is mainly an overnight and morning pattern or commonly persists during the part of the day you plan to visit.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the solar radiation heatmap for Bonny Doon

This heatmap shows the average solar radiation reaching Bonny Doon by month and hour. Brighter cells indicate the strongest typical sun, while muted cells can reflect nighttime, shorter winter days, cloud cover, smoke, or terrain shading.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

Loading interactive climate heatmaps…

Location Details

📍
Coordinates
37.0444, -122.1500
⛰️
Elevation
1300 ft
🏷️
Type
Town
🏷️
Tags
#cool#redwoods#rural#wine
Map
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Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Bonny Doon

What is the weather at Bonny Doon right now?

Current conditions at Bonny Doon are 61°F, feeling like 57°F, with 47% humidity, winds near 4 mph, 0% cloud cover, and a 0% chance of precipitation. Mild with clear skies

What temperatures are typical at Bonny Doon?

The location-specific record for 1991-01-01 through 2020-12-31 shows an average daily high of 68°F and an average low of 46°F at Bonny Doon. These are averages across the year; the monthly climate table on this page shows the warmer and cooler seasons separately.

How much rain does Bonny Doon get?

The location-specific climate baseline estimates about 36.1 inches of precipitation and 70 days with measurable rain in a typical year at Bonny Doon. The monthly breakdown shows when that rain is most likely.

How often is Bonny Doon foggy?

Bonny Doon averages about 1.1 hours of morning fog per day across the location-specific climate baseline, with approximately 59 foggy days in a typical year. Fog varies considerably by season, so check the monthly breakdown and current forecast for visit planning.

What are the best months to visit Bonny Doon for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are March 2026 (73°F/58°F average high/low and a 92 comfort score), August 2025 (79°F/58°F average high/low and a 90 comfort score), and June 2025 (70°F/52°F average high/low and a 88 comfort score). “Best” depends on the activity, so use the monthly table for the exact tradeoffs.

What kind of destination is Bonny Doon?

Bonny Doon is a town at 1,300 feet. Santa Cruz Mountains community. Notable features include cool, redwoods, rural, and wine.

💡 Local Tip: San Francisco Bay Area weather can change dramatically within short distances and throughout the day. Always check current conditions before visiting Bonny Doon.