Santa Rosa

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. Morning plans should assume damp conditions, as rain chances climb toward 74% around 10:00. Cloud cover is also at its densest near 02:00 at roughly 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. Morning plans should assume damp conditions, as rain chances climb toward 74% around 10:00. Cloud cover is also at its densest near 02:00 at roughly 91%.

Temperatures climb from an overnight low near 21°C toward a daytime high of about 25°C. Relative humidity sits between 77% and 99%, reaching its peak around 02:00. Winds stay light, near 14 km/h by 09:00, so the day feels still more than breezy.Temperatures climb from an overnight low near 69°F toward a daytime high of about 78°F. Relative humidity sits between 77% and 99%, reaching its peak around 02:00. Winds stay light, near 9 mph by 09:00, so the day feels still more than breezy.

Through the afternoon wet weather remains a factor, with rain chances near 80% around 13:00. Cloud also stays substantial, close to 82% near 23:00. Expect visibility around 16.1 km. The sun rises at 05:37 and sets at 17:23, for a total of 11 hours 45 minutes of sunlight today.Through the afternoon wet weather remains a factor, with rain chances near 80% around 13:00. Cloud also stays substantial, close to 82% near 23:00. Expect visibility around 10 mi. The sun rises at 05:37 and sets at 17:23, for a total of 11 hours 45 minutes of sunlight today.

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.