Sonoma County (Santa Rosa)
Tomorrow
Tomorrow weather in Sonoma County
Thursday, September 18th, 2025
28°
Partly cloudy
The weather tomorrow in Sonoma County will be much colder than today, with max temperatures up to 28°.
28° / 15°
Temp
0%
Rain
16 km/h
Wind
65%
Humidity
Sonoma County Weather Pages
Sonoma County hourly forecast for tomorrow
Scroll right to see more weather forecasts for Sonoma County tomorrow
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:55 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 07:14 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | |  |  | |  | |  | |  | | | |  | | | | | |  | | | |  | Next |
| temperatures | 21.2° | 20.1° | 19° | 18.1° | 17.5° | 17.1° | 16.8° | Sunrise | 16.9° | 18.2° | 20.4° | 24.4° | 26.2° | 27° | 27.2° | 26.9° | 26.5° | 26.1° | 24.3° | 22.6° | 20.9° | Sunset | 19.5° | 18.5° | 16.7° | 17.2° | |
| wind speed | 5 km/h | 3 km/h | 4 km/h | 5 km/h | 3 km/h | 5 km/h | 3 km/h | 0 km/h | 3 km/h | 3 km/h | 5 km/h | 8 km/h | 12 km/h | 14 km/h | 15 km/h | 17 km/h | 14 km/h | 11 km/h | 8 km/h | 4 km/h | 5 km/h | 4 km/h | 5 km/h | 4 km/h | |||
| wind degree | 216° | 224° | 211° | 193° | 190° | 216° | 244° | 338° | 232° | 217° | 198° | 200° | 207° | 213° | 214° | 213° | 221° | 223° | 231° | 239° | 239° | 231° | 230° | 227° | |||
| wind direction | SW | SW | SSW | SSW | S | SW | WSW | NNW | SW | SW | SSW | SSW | SSW | SSW | SW | SSW | SW | SW | SW | WSW | WSW | SW | SW | SW | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 62% | 65% | 70% | 77% | 79% | 80% | 80% | 80% | 78% | 68% | 57% | 47% | 44% | 43% | 41% | 44% | 46% | 48% | 61% | 68% | 75% | 79% | 81% | 89% | |||
| dew point | 13.7° | 13.6° | 13.6° | 13.6° | 13.6° | 13.5° | 13.3° | 13° | 13.2° | 13.5° | 13.7° | 16.2° | 14.7° | 13.9° | 13.2° | 13.5° | 13.6° | 13.8° | 14.3° | 14.5° | 14.7° | 14.4° | 14.3° | 12.9° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 93% | 96% | 92% | 100% | 84% | 54% | 43% | 44% | 63% | 40% | 22% | 13% | 56% | 78% | 100% | 74% | 61% | 48% | 68% | 78% | 87% | 94% | 97% | 14% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.9 | 2.1 | 3.7 | 5.3 | 6.2 | 5.9 | 5 | 3.2 | 1.4 | 0.4 | 0 | 0 | 0 | 0 | 0 |
Weather in Sonoma County tomorrow
The weather in Sonoma County tomorrow is expected to be much warmer than usual, with a forecast temperature of 28 °F, compared to an average of 23 °F for September 18th in recent years.
temperatures
28 °F
rain
0 mm
wind
16 km/h
UV
Low
Sonoma County daylight overview ☀️
Tomorrow in Sonoma County, The sun rises at 06:55 and sets at 19:14, giving a total daylight duration of 12 hours and 19 minutes.
Top locations in Sonoma County
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What to wear tomorrow in Sonoma County? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Sonoma County forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Sunglasses
Wide brimmed hat
Sunscreen
The weather tomorrow in Sonoma County - FAQ
What is the maximum temperature for tomorrow in Sonoma County?
The maximum temperature for tomorrow in Sonoma County is expected to be 28° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Sonoma County? 🌧️
No, there is no significant chance of rain in Sonoma County tomorrow. It should be a dry day.
What will be the wind speed tomorrow in Sonoma County? 🌀
The wind in Sonoma County is expected to blow at 16 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Sonoma County tomorrow?
Given the forecast of 28 °F with a 0% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Sonoma County tomorrow.
What is the sunrise and sunset time for Sonoma County tomorrow?
The sun is expected to rise at 06:55 and set at 19:14 in Sonoma County.
How accurate is the weather forecast Sonoma County tomorrow? ✅
Sonoma County weather forecast for tomorrow is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Where is Sonoma County?Get accurate weather forecasts for Sonoma County, located at latitude 38.44 and longitude -122.714. Stay updated with localized weather information tailored for Sonoma County.
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