Santa Rosa

Weather in Santa Rosa tomorrow, October 25, 2026

Santa Rosa starts October 25, 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 24% around 00:00. Cloud cover is also at its densest near 00:00 at roughly 100%.Santa Rosa starts October 25, 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 24% around 00:00. Cloud cover is also at its densest near 00:00 at roughly 100%.

Temperatures climb from an overnight low near 16°C toward a daytime high of about 21°C. Relative humidity sits between 67% and 89%, reaching its peak around 05:00. Expect gentle winds, highest near 12:00 at 9 km/h.Temperatures climb from an overnight low near 61°F toward a daytime high of about 70°F. Relative humidity sits between 67% and 89%, reaching its peak around 05:00. Expect gentle winds, highest near 12:00 at 6 mph.

The second half of the day still looks unsettled, with rain probability around 30% by 16:00. Dense cloud near 93% at 12:00 keeps the feel grey. Visibility stays near 16.1 km. Expect sunrise at 06:26, sunset at 17:54, and 11 hours 27 minutes of sunlight today overall.The second half of the day still looks unsettled, with rain probability around 30% by 16:00. Dense cloud near 93% at 12:00 keeps the feel grey. Visibility stays near 10 mi. Expect sunrise at 06:26, sunset at 17:54, and 11 hours 27 minutes of sunlight today overall.

Taken together, Santa Rosa looks wet enough on October 25, 2026 that flexible outdoor plans work best, with temperatures peaking near 21°C.Taken together, Santa Rosa looks wet enough on October 25, 2026 that flexible outdoor plans work best, with temperatures peaking near 70°F.