Bonny Doon Weather

TownSan Francisco Bay Area

Santa Cruz Mountains community

56°
😐
Comfort Score
61(C)
Good
Weather updated August 16, 2026 at 9:31 PM 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 56°F, feeling like 56°F, with 97% humidity, winds near 2 mph, 100% cloud cover, and a 0% chance of precipitation. Cool and humid and overcast.

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.

Current Conditions

Temperature
56°F
Feels like 56°F
Humidity
97%
Wind
2 mph
NW • Gusts 3 mph
Cloud Cover
100%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Temperature45
Wind100
Night Sky5
Humidity33
Precipitation100

Hourly Forecast

Today

TimeTempComfortAQIWindPrecipConditions
Now58°69 (C)1 mph0%☁️ Cloudy
10pm56°61 (C)3 mph0%☁️ Cloudy
11pm56°59 (C-)4 mph0%☁️ Cloudy

Tomorrow

TimeTempComfortAQIWindPrecipConditions
12am55°60 (C)3 mph0%☁️ Cloudy
1am54°57 (C-)2 mph0%☁️ Cloudy
2am54°55 (C-)4 mph0%☁️ Cloudy
3am54°53 (C-)5 mph0%☁️ Cloudy
4am53°54 (C-)4 mph0%☁️ Cloudy
5am52°54 (C-)2 mph0%☁️ Cloudy
6am52°53 (C-)4 mph0%☁️ Cloudy
7am53°54 (C-)4 mph0%☁️ Cloudy
8am56°61 (C)2 mph0%☁️ Cloudy
How to read the Bonny Doon hourly chart

The hourly chart follows the next 48 forecast hours at Bonny Doon. Use the temperature view to see warming and cooling through the day, and the comfort view to see when the combined temperature, wind, clouds, precipitation, and air quality should feel most favorable.

The wind view compares sustained wind with stronger gusts at Bonny Doon. The AQI view uses the current observation for “Now” and modeled AQI-equivalent guidance for later hours when forecast smoke data is available.

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.

7-Day Forecast

DayHigh/LowComfortPrecipConditions
Today71° / 51°89 (A-)0%☀️ Sunny
Mon🏆 Best71° / 52°90 (A-)0%☀️ Sunny
Tue87° / 49°71 (B-)0%☀️ Sunny
Wed93° / 52°70 (B-)0%☀️ Sunny
Thu97° / 57°73 (B-)0%☀️ Sunny
Fri97° / 58°73 (B-)0%☀️ Sunny
Sat94° / 56°73 (B-)0%☀️ Sunny

Best day this week: Mon (Comfort score: 90)

Nearby Temperature Comparison

Conditions at nearby San Francisco Bay Area destinations

Tip: Bay Area temps can vary 20-30°F within a short distance due to microclimates.

Climate Dashboard

Current conditions vs. NOAA normals and recent destination baseline

Today's High vs Normal
71°Fforecast
8° below normal
Normal: 79°F
Rainfall Year-to-Date
19.7"
22% below average
30-yr avg: 25.1"
Sunny Days
25last 28 days
3 fewer than baseline
Typical: 28
Foggy Days
8last 28 days
vs 3 typical
Foggier than usual
Avg Wind Speed
5.5 mphlast 28 days
3.5 mph calmer than baseline
Typical: 9.0 mph
Comfort Score
8328-day avg
4 pts below typical
Recent baseline: 87
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

85
Avg Comfort
67.9°
Avg High
45.7°
Avg Low
77%
Perfect Days
☀️ Avg Sunshine10.6h/day
🌫️ Avg Fog1.1h/day
💧 Avg Annual Rain36.1"
🌧️ Rainy Days/yr70 (19%)
🌫️ Foggy Days/yr59
✨ Perfect Days (80+)481

🌟 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
August 20249379.7° / 55.1°11.7h0d0.03"10
September 20249180.4° / 55.2°10.9h4d0.11"25
October 20248879.7° / 55.1°10h1d0.11"26
November 20247960.1° / 41.8°7.1h6d4.61"19
December 20247660.8° / 42.8°6.7h11d6.82"18
January 20258458.5° / 36.7°8.2h4d0.65"26
February 20257558.2° / 39.7°7.1h8d10.22"17
March 20257357.1° / 40.1°9h9d5.46"15
April 20258762.7° / 42.3°10.9h8d1.12"23
May 20259170.7° / 46.4°12.6h3d0.2"28
June 20259573.9° / 49.2°13.4h2d0"29
July 20259573.8° / 52°13h3d0"31
August 20259382.2° / 55.3°12.2h1d0"29
September 20258978° / 56.8°10.3h6d0.88"24
October 20258869.1° / 48.7°9.1h9d1.61"22
November 20258164.4° / 46.3°7.6h8d7.57"22
December 20257961.5° / 43°6.9h5d7.1"21
January 20268162.4° / 42.6°7.5h6d6.44"21
February 20267661.5° / 43.6°7.8h6d7.04"19
March 20269374.5° / 49.2°10.7h1d0.46"29
April 20268163° / 43.9°10.8h8d5.48"20
May 20268566° / 47.1°11.5h4d0.25"7
Last updated: 5/10/2026

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 '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 56°F, feeling like 56°F, with 97% humidity, winds near 2 mph, 100% cloud cover, and a 0% chance of precipitation. Cool and humid and overcast

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 June 2025 (74°F/49°F average high/low and a 95 comfort score), July 2025 (74°F/52°F average high/low and a 95 comfort score), and August 2024 (80°F/55°F average high/low and a 93 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.
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