Danville Weather

TownSan Francisco Bay Area

San Ramon Valley, hot and dry

86°
😊
Comfort Score
92(A-)
Excellent
Weather updated September 9, 2026 at 9:32 PM PDT

Danville weather at a glance

Danville is a town at 361 feet in San Francisco Bay Area. San Ramon Valley, hot and dry. Notable features include sunny, hot, upscale, and shopping.

Current conditions are 86°F, feeling like 82°F, with 19% humidity, winds near 5 mph, 5% cloud cover, and a 0% chance of precipitation. Hot and dry with clear skies.

The location-specific climate baseline shows an average daily high of 72°F and an average low of 48°F, with about 10.5 hours of sunshine per day and 1.5 hours of morning fog per day. Expected annual precipitation is approximately 18.1 inches.

Plan your week

10-Day Forecast

  1. Today
    Sep 9
    101°70°
    Comfort
    59
    1%
    Precip 0 in
  2. Thu
    Sep 10
    96°67°
    Comfort
    62
    1%
    Precip 0 in
  3. Fri
    Sep 11
    79°56°
    Comfort
    94
    4%
    Precip 0 in
  4. Best day
    Sat
    Sep 12
    72°55°
    Comfort
    96
    0%
    Precip 0 in
  5. Sun
    Sep 13
    85°50°
    Comfort
    83
    0%
    Precip 0 in
  6. Mon
    Sep 14
    89°55°
    Comfort
    71
    0%
    Precip 0 in
  7. Tue
    Sep 15
    84°54°
    Comfort
    86
    1%
    Precip 0 in
  8. Wed
    Sep 16
    86°54°
    Comfort
    80
    0%
    Precip 0 in
  9. Thu
    Sep 17
    91°56°
    Comfort
    66
    1%
    Precip 0 in
  10. Fri
    Sep 18
    91°59°
    Comfort
    66
    2%
    Precip 0 in

Pick your time

Hourly Forecast

  1. Today
    Now
    87°
    Comfort
    92
    0%
    0 in
  2. Today
    10 PM
    86°
    Comfort
    95
    1%
    0 in
  3. Today
    11 PM
    85°
    Comfort
    96
    1%
    0 in
  4. Thu
    12 AM
    84°
    Comfort
    92
    1%
    0 in
  5. Thu
    1 AM
    83°
    Comfort
    90
    1%
    0 in
  6. Thu
    2 AM
    82°
    Comfort
    95
    1%
    0 in
  7. Thu
    3 AM
    81°
    Comfort
    98
    1%
    0 in
  8. Thu
    4 AM
    80°
    Comfort
    99
    1%
    0 in
  9. Thu
    5 AM
    80°
    Comfort
    100
    1%
    0 in
  10. Thu
    6 AM
    79°
    Comfort
    98
    1%
    0 in
  11. Sunrise6:45 AM
  12. Thu
    7 AM
    78°
    Comfort
    95
    1%
    0 in
  13. Thu
    8 AM
    81°
    Comfort
    95
    1%
    0 in
  14. Thu
    9 AM
    88°
    Comfort
    82
    1%
    0 in
  15. Thu
    10 AM
    92°
    Comfort
    73
    1%
    0 in
  16. Thu
    11 AM
    94°
    Comfort
    68
    1%
    0 in
  17. Thu
    12 PM
    95°
    Comfort
    64
    1%
    0 in
  18. Thu
    1 PM
    96°
    Comfort
    62
    1%
    0 in
  19. Thu
    2 PM
    94°
    Comfort
    67
    1%
    0 in
  20. Thu
    3 PM
    93°
    Comfort
    73
    1%
    0 in
  21. Thu
    4 PM
    92°
    Comfort
    80
    1%
    0 in
  22. Thu
    5 PM
    88°
    Comfort
    89
    1%
    0 in
  23. Thu
    6 PM
    84°
    Comfort
    95
    1%
    0 in
  24. Thu
    7 PM
    80°
    Comfort
    98
    1%
    0 in
  25. Sunset7:23 PM
  26. Thu
    8 PM
    75°
    Comfort
    98
    0%
    0 in
  27. Thu
    9 PM
    72°
    Comfort
    100
    0%
    0 in
  28. Thu
    10 PM
    69°
    Comfort
    99
    0%
    0 in
  29. Thu
    11 PM
    67°
    Comfort
    98
    0%
    0 in
  30. Fri
    12 AM
    65°
    Comfort
    96
    0%
    0 in
  31. Fri
    1 AM
    63°
    Comfort
    94
    0%
    0 in
  32. Fri
    2 AM
    61°
    Comfort
    92
    0%
    0 in
  33. Fri
    3 AM
    59°
    Comfort
    90
    0%
    0 in
  34. Fri
    4 AM
    58°
    Comfort
    88
    0%
    0 in
  35. Fri
    5 AM
    57°
    Comfort
    88
    1%
    0 in
  36. Fri
    6 AM
    57°
    Comfort
    87
    1%
    0 in
  37. Sunrise6:46 AM
  38. Fri
    7 AM
    56°
    Comfort
    86
    1%
    0 in
  39. Fri
    8 AM
    60°
    Comfort
    90
    0%
    0 in
  40. Fri
    9 AM
    65°
    Comfort
    94
    2%
    0 in
  41. Fri
    10 AM
    68°
    Comfort
    96
    2%
    0 in
  42. Fri
    11 AM
    72°
    Comfort
    99
    2%
    0 in
  43. Fri
    12 PM
    75°
    Comfort
    99
    0%
    0 in
  44. Fri
    1 PM
    77°
    Comfort
    99
    0%
    0 in
  45. Fri
    2 PM
    78°
    Comfort
    97
    0%
    0 in
  46. Fri
    3 PM
    79°
    Comfort
    98
    0%
    0 in
  47. Fri
    4 PM
    79°
    Comfort
    99
    0%
    0 in
  48. Fri
    5 PM
    76°
    Comfort
    100
    0%
    0 in
  49. Fri
    6 PM
    73°
    Comfort
    99
    4%
    0 in
  50. Fri
    7 PM
    67°
    Comfort
    97
    4%
    0 in
  51. Sunset7:21 PM
  52. Fri
    8 PM
    62°
    Comfort
    92
    4%
    0 in

Current Conditions

Temperature
86°F
Feels like 82°F
Humidity
19%
Dew point 39°F
Wind
5 mph
NW • Gusts 6 mph
Cloud Cover
5%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Thermal85
Wind100
Stars Visible98
Moisture97
Precipitation100

Weather Maps

About the weather maps for Danville

Each preview is centered on Danville, 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 Danville. Open a preview for the interactive map and its latest timestamp before making a weather-sensitive decision.

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
101°Fforecast
17° above normal
Normal: 84°F
Rainfall Year-to-Date
16.0"
16% above average
30-yr avg: 13.8"
Sunny Days
24last 28 days
4 fewer than baseline
Typical: 28
Foggy Days
11last 28 days
vs 4 typical
Foggier than usual
Avg Wind Speed
7.4 mphlast 28 days
Typical conditions
Typical: 7.3 mph
Comfort Score
8228-day avg
5 pts below typical
Recent baseline: 87
What the Danville climate comparisons mean

These cards compare recent conditions at Danville 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 Danville 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

84
Avg Comfort
71.5°
Avg High
48.4°
Avg Low
74%
Perfect Days
☀️ Avg Sunshine10.5h/day
🌫️ Avg Fog1.5h/day
💧 Avg Annual Rain18.1"
🌧️ Rainy Days/yr70 (19%)
🌫️ Foggy Days/yr75
✨ Perfect Days (80+)476

🌟 Best Months to Visit

1. June86
81.6° / 54.3° · ☀️ 13.4h
4 foggy days · 1 rainy days
2. July80
86° / 57.3° · ☀️ 13.5h
5 foggy days · 0 rainy days
3. May79
74.5° / 49.9° · ☀️ 12.8h
5 foggy days · 4 rainy days

⚠️ Challenging Months

1. January34
56° / 39.6° · ☀️ 7.2h
💧 3.1" · 11 rainy days · 9 foggy days
2. December36
56.1° / 39.4° · ☀️ 7h
💧 3.1" · 11 rainy days · 8 foggy days
3. February45
60.2° / 41.8° · ☀️ 8.4h
💧 2.8" · 10 rainy days · 8 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
August 20248978.8° / 55.8°11.4h5d0.08"26
September 20248981.3° / 56.3°10.6h5d0.27"28
October 20248579.7° / 56.3°9.7h2d0.66"23
November 20247962.2° / 44.1°7h6d3.6"20
December 20247560.8° / 44°6.3h11d5.38"16
January 20258359° / 39.3°7.8h7d1.11"23
February 20257459.7° / 42.6°6.6h6d6.81"13
March 20257760.5° / 43.5°9.1h6d4.85"15
April 20258766.2° / 45.8°10.4h11d1.03"22
May 20259172.5° / 49.6°12.5h3d0.32"29
June 20259174.1° / 51.1°12.7h6d0"28
July 20258873.5° / 54.4°11.4h9d0.03"26
August 20259080.1° / 56.1°11.4h4d0.03"29
September 20258779.3° / 58.7°9.9h6d0.6"25
October 20258671.5° / 52°8.5h10d2.39"22
November 20258164.8° / 47.8°7.5h10d3.82"18
December 20257559.2° / 43.2°6.5h9d4.92"16
January 20268160.5° / 42.5°7.5h6d3.46"22
February 20267962.5° / 44.8°7.4h4d5.06"17
March 20269375.9° / 50.9°10.9h3d0.52"29
April 20268065.6° / 48°10.4h7d6.59"21
May 20268365.9° / 51°10.6h7d0.35"8
Last updated: 5/10/2026

Climate Trends

Average Temperature by Month

92°F77°F63°F49°F34°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 Danville climate charts

The temperature chart compares average monthly highs and lows at Danville, 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 Danville. 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 Danville

This heatmap shows how average temperature at Danville 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 Danville

This heatmap shows when fog or low cloud is most likely at Danville. 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 Danville

This heatmap shows the typical hourly wind pattern at Danville 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 Danville

This heatmap shows average cloud cover at Danville 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 Danville

This heatmap shows the average solar radiation reaching Danville 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
37.8216, -121.9999
⛰️
Elevation
361 ft
🏷️
Type
Town
🏷️
Tags
#sunny#hot#upscale#shopping
Map
Loading map...
Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Danville

What is the weather at Danville right now?

Current conditions at Danville are 86°F, feeling like 82°F, with 19% humidity, winds near 5 mph, 5% cloud cover, and a 0% chance of precipitation. Hot and dry with clear skies

What temperatures are typical at Danville?

The location-specific record for 1991-01-01 through 2020-12-31 shows an average daily high of 72°F and an average low of 48°F at Danville. These are averages across the year; the monthly climate table on this page shows the warmer and cooler seasons separately.

How much rain does Danville get?

The location-specific climate baseline estimates about 18.1 inches of precipitation and 70 days with measurable rain in a typical year at Danville. The monthly breakdown shows when that rain is most likely.

How often is Danville foggy?

Danville averages about 1.5 hours of morning fog per day across the location-specific climate baseline, with approximately 75 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 Danville for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are March 2026 (76°F/51°F average high/low and a 93 comfort score), May 2025 (73°F/50°F average high/low and a 91 comfort score), and June 2025 (74°F/51°F average high/low and a 91 comfort score). “Best” depends on the activity, so use the monthly table for the exact tradeoffs.

What kind of destination is Danville?

Danville is a town at 361 feet. San Ramon Valley, hot and dry. Notable features include sunny, hot, upscale, and shopping.

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