Santa Rosa

Current Weather

23°74°

Humid and Mostly Cloudy

Feels Like: 23°73°

Min: 23°74°

Max: 30°85°

The next few hours will be possible thunderstorms, with today reaching 30°C and dropping to 23°C. The coming days will be light rain throughout the day and possible thunderstorms until evening.

Hourly Forecast
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Air Quality
12
Good

Air quality is satisfactory, and air pollution poses little or no risk.

GoodHazardous
Daylight Hours

05:29

Sunrise

17:12

Sunset

11 hours 42 minutes of sunlight today
Moon

07:02

Moonrise

Daily Forecast

Today

23°74°
30°85°

Tuesday

23°73°
28°82°

Wednesday

23°74°
31°87°

Thursday

23°73°
30°85°

Friday

23°73°
30°86°

Saturday

23°73°
27°81°

Sunday

23°74°
30°86°

Monday

23°73°
31°88°

Tuesday

24°75°
31°88°

Wednesday

23°74°
31°87°
UV Index
No protection needed
0Low
LowExtreme
Humidity
98%Very Humid
LowHigh
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Weather 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 82% by 10:00. The thickest cloud arrives around 04:00, reaching about 72%.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 82% by 10:00. The thickest cloud arrives around 04:00, reaching about 72%.

The day peaks near 30°C and cools toward 23°C. Relative humidity sits between 77% and 99%, reaching its peak around 05:00. A lighter breeze peaks around 09:00 near 12 km/h.The day peaks near 85°F and cools toward 74°F. Relative humidity sits between 77% and 99%, reaching its peak around 05:00. A lighter breeze peaks around 09:00 near 8 mph.

Through the afternoon wet weather remains a factor, with rain chances near 100% around 13:00. Cloud also stays substantial, close to 92% near 18:00. Horizontal visibility sits around 13 km, briefly nearer 6.3 km. Daylight runs from 05:29 to 17:12, lasting 11 hours 42 minutes of sunlight today.Through the afternoon wet weather remains a factor, with rain chances near 100% around 13:00. Cloud also stays substantial, close to 92% near 18:00. Horizontal visibility sits around 8.1 mi, briefly nearer 3.9 mi. Daylight runs from 05:29 to 17:12, lasting 11 hours 42 minutes of sunlight today.

Overall, Santa Rosa on October 12, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 30°C.Overall, Santa Rosa on October 12, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 85°F.

Frequently asked questions about weather in Santa Rosa

How warm does it get in Santa Rosa?

The warmest month in Santa Rosa is May, with average high temperatures of 32°C. The average temperature during this period is around 28°C.The warmest month in Santa Rosa is May, with average high temperatures of 90°F. The average temperature during this period is around 82°F.

How cold does it get in Santa Rosa?

The coldest month in Santa Rosa is January, with average low temperatures of 22°C. The average temperature during this period is around 25°C.The coldest month in Santa Rosa is January, with average low temperatures of 71°F. The average temperature during this period is around 77°F.

What is the wettest time of year in Santa Rosa?

The wettest month in Santa Rosa is October, with an average of 287 mm of precipitation.The wettest month in Santa Rosa is October, with an average of 11.3 in of precipitation.

What is the driest time of year in Santa Rosa?

The driest month in Santa Rosa is February, with an average of 47 mm of precipitation.The driest month in Santa Rosa is February, with an average of 1.8 in of precipitation.

View full climate insights for Santa Rosa →