Santa Rosa

Current Weather

25°76°

Overcast

Feels Like: 24°75°

Min: 23°73°

Max: 28°83°

The next few hours will be humid and overcast, with tomorrow reaching 29°C and dropping to 23°C. The coming days will be light rain throughout the day.

Hourly Forecast
25°76°25°76°24°76°24°75°24°75°24°75°23°74°23°74°25°77°27°80°29°83°29°83°29°84°29°84°28°83°28°82°28°82°27°80°26°79°25°78°25°77°24°76°24°75°24°75°
32%
32%
74%
74%
74%
50%
50%
50%
34%
34%
34%
94%
94%
98%
98%
98%
72%
72%
72%
42%
42%
42%
52%
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
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
17
Good

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

GoodHazardous
Daylight Hours

05:29

Sunrise

17:12

Sunset

11 hours 43 minutes of sunlight today
Moon

06:09

Moonrise

17:56

Moonset

Daily Forecast

Sunday

23°73°
28°83°

Today

23°74°
29°84°

Tuesday

23°74°
30°86°

Wednesday

23°73°
31°87°

Thursday

23°73°
28°83°

Friday

23°73°
27°81°

Saturday

23°73°
29°84°

Sunday

23°73°
30°86°

Monday

23°73°
28°82°

Tuesday

23°74°
27°81°
UV Index
No protection needed
0Low
LowExtreme
Humidity
93%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

Expect unsettled, showery conditions in Santa Rosa on October 12, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. The morning carries the wetter risk, with rain chances near 94% and the highest odds around 10:00. Cloud is also thick early on, peaking near 92% around 00:00.Expect unsettled, showery conditions in Santa Rosa on October 12, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. The morning carries the wetter risk, with rain chances near 94% and the highest odds around 10:00. Cloud is also thick early on, peaking near 92% around 00:00.

The temperature range runs from about 23°C up to 29°C. Relative humidity sits between 80% and 99%, reaching its peak around 06:00. A lighter breeze peaks around 03:00 near 13 km/h.The temperature range runs from about 74°F up to 84°F. Relative humidity sits between 80% and 99%, reaching its peak around 06:00. A lighter breeze peaks around 03:00 near 8 mph.

Expect the wet theme to continue later, as rain odds reach 98% near 13:00. Cloud amounts hold near 95% around 18:00. Horizontal visibility sits around 12.8 km, briefly nearer 5.7 km. Daylight runs from 05:29 to 17:11, lasting 11 hours 42 minutes of sunlight today.Expect the wet theme to continue later, as rain odds reach 98% near 13:00. Cloud amounts hold near 95% around 18:00. Horizontal visibility sits around 8 mi, briefly nearer 3.5 mi. Daylight runs from 05:29 to 17:11, 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 98% and the high sits around 29°C.Overall, Santa Rosa on October 12, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 98% and the high sits around 84°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 →