Santa Rosa
22°72°
Overcast
Feels Like: 20°68°
Min: 21°69°
Max: 27°81°
The next few hours will be possible drizzle, with today reaching 27°C and dropping to 19°C. The coming days will be drizzle throughout the day and possible thunderstorms in the afternoon.
Want a closer look at the weather?
Premium adds minute-by-minute rain timing, yesterday comparisons, and more detail across Airpult.
Air quality is satisfactory, and air pollution poses little or no risk.
05:39
Sunrise
17:22
Sunset
07:11
Moonrise
18:08
Moonset
Today
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
See moon phases, eclipses, and seasons for this year.
View astronomySee sky darkness, moon phase, and the best viewing window for Santa Rosa.
View stargazing scoreWeather in Santa Rosa today, October 12, 2026
Santa Rosa starts October 12, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Early hours look the most unsettled, with rain probability near 80% by 10:00. The thickest cloud arrives around 02:00, reaching about 91%.Santa Rosa starts October 12, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Early hours look the most unsettled, with rain probability near 80% by 10:00. The thickest cloud arrives around 02:00, reaching about 91%.
The day peaks near 27°C and cools toward 21°C. Relative humidity sits between 70% and 97%, reaching its peak around 18:00. A lighter breeze peaks around 09:00 near 15 km/h.The day peaks near 81°F and cools toward 69°F. Relative humidity sits between 70% and 97%, reaching its peak around 18:00. A lighter breeze peaks around 09:00 near 9 mph.
Expect the wet theme to continue later, as rain odds reach 90% near 13:00. Cloud amounts hold near 86% around 23:00. Expect visibility near 12.9 km, with poorer spells close to 0.3 km. The sun rises at 05:39 and sets at 17:22, for a total of 11 hours 43 minutes of sunlight today.Expect the wet theme to continue later, as rain odds reach 90% near 13:00. Cloud amounts hold near 86% around 23:00. Expect visibility near 8 mi, with poorer spells close to 0.2 mi. The sun rises at 05:39 and sets at 17:22, for a total of 11 hours 43 minutes of sunlight today.
Overall, Santa Rosa on October 12, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 90% and the high sits around 27°C.Overall, Santa Rosa on October 12, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 90% and the high sits around 81°F.
Frequently asked questions about weather in Santa Rosa
How warm does it get in Santa Rosa?
The warmest month in Santa Rosa is April, with average high temperatures of 32°C. The average temperature during this period is around 25°C.The warmest month in Santa Rosa is April, with average high temperatures of 89°F. The average temperature during this period is around 78°F.
How cold does it get in Santa Rosa?
The coldest month in Santa Rosa is January, with average low temperatures of 18°C. The average temperature during this period is around 22°C.The coldest month in Santa Rosa is January, with average low temperatures of 64°F. The average temperature during this period is around 71°F.
What is the wettest time of year in Santa Rosa?
The wettest month in Santa Rosa is October, with an average of 228 mm of precipitation.The wettest month in Santa Rosa is October, with an average of 9 in of precipitation.
What is the driest time of year in Santa Rosa?
The driest month in Santa Rosa is March, with an average of 19 mm of precipitation.The driest month in Santa Rosa is March, with an average of 0.8 in of precipitation.


