Santa Rosa

Current Weather

24°75°

Drizzle and Humid

Feels Like: 23°74°

Min: 23°74°

Max: 28°82°

The next few hours will be overcast, with tomorrow reaching 25°C and dropping to 23°C. The coming days will be drizzle

Hourly Forecast
24°75°24°75°24°75°24°75°24°75°23°74°23°74°23°74°23°74°24°75°25°76°25°78°25°77°25°77°25°76°25°77°25°77°25°77°25°77°25°76°24°76°24°76°24°75°24°75°
50%
50%
50%
62%
62%
62%
54%
54%
54%
66%
66%
66%
88%
88%
88%
98%
98%
98%
92%
92%
92%
54%
54%
54%
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
Today
Tomorrow

Want a closer look at the weather?

Premium adds minute-by-minute rain timing, yesterday comparisons, and more detail across Airpult.

Get Premium
Air Quality
19
Good

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

GoodHazardous
Daylight Hours

05:31

Sunrise

17:20

Sunset

11 hours 48 minutes of sunlight today
Moon

06:09

Moonrise

Daily Forecast

Sunday

23°74°
28°82°

Today

23°74°
25°78°

Tuesday

23°73°
27°81°

Wednesday

23°73°
27°81°

Thursday

23°74°
28°83°

Friday

23°74°
27°81°

Saturday

23°74°
27°81°

Sunday

23°74°
27°81°

Monday

23°74°
25°77°

Tuesday

23°73°
27°81°
UV Index
No protection needed
0Low
LowExtreme
Humidity
99%Very Humid
LowHigh
Looking at the night sky?

See moon phases, eclipses, and seasons for this year.

View astronomy
Current stargazing conditions?

See sky darkness, moon phase, and the best viewing window for Santa Rosa.

View stargazing score

Weather in Santa Rosa tomorrow, October 12, 2026

Santa Rosa looks damp on October 12, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. The morning carries the wetter risk, with rain chances near 88% and the highest odds around 10:00. Cloud is also thick early on, peaking near 99% around 00:00.Santa Rosa looks damp on October 12, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. The morning carries the wetter risk, with rain chances near 88% and the highest odds around 10:00. Cloud is also thick early on, peaking near 99% around 00:00.

Temperatures climb from an overnight low near 23°C toward a daytime high of about 25°C. The air stays humid, with relative humidity between 84% and 100% and the peak around 06:00. Airflow remains manageable, reaching about 7 km/h around 12:00.Temperatures climb from an overnight low near 74°F toward a daytime high of about 78°F. The air stays humid, with relative humidity between 84% and 100% and the peak around 06:00. Airflow remains manageable, reaching about 5 mph around 12:00.

Expect the wet theme to continue later, as rain odds reach 98% near 13:00. Cloud amounts hold near 100% around 18:00. Horizontal visibility sits around 14.2 km, briefly nearer 3.8 km. Expect sunrise at 05:31, sunset at 17:20, and 11 hours 48 minutes of sunlight today overall.Expect the wet theme to continue later, as rain odds reach 98% near 13:00. Cloud amounts hold near 100% around 18:00. Horizontal visibility sits around 8.8 mi, briefly nearer 2.3 mi. Expect sunrise at 05:31, sunset at 17:20, and 11 hours 48 minutes of sunlight today overall.

Taken together, Santa Rosa looks wet enough on October 12, 2026 that flexible outdoor plans work best, with temperatures peaking near 25°C.Taken together, Santa Rosa looks wet enough on October 12, 2026 that flexible outdoor plans work best, with temperatures peaking near 78°F.

Frequently asked questions about weather in Santa Rosa

How warm does it get in Santa Rosa?

The warmest month in Santa Rosa is March, with average high temperatures of 29°C. The average temperature during this period is around 28°C.The warmest month in Santa Rosa is March, with average high temperatures of 84°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 October, with average low temperatures of 25°C. The average temperature during this period is around 26°C.The coldest month in Santa Rosa is October, with average low temperatures of 78°F. The average temperature during this period is around 79°F.

What is the wettest time of year in Santa Rosa?

The wettest month in Santa Rosa is October, with an average of 513 mm of precipitation.The wettest month in Santa Rosa is October, with an average of 20.2 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 8 mm of precipitation.The driest month in Santa Rosa is February, with an average of 0.3 in of precipitation.

View full climate insights for Santa Rosa →