Santa Rosa

Weather in Santa Rosa today, October 23, 2026

Rain features in Santa Rosa on October 23, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. The morning carries the wetter risk, with rain chances near 72% and the highest odds around 11:00. Cloud is also thick early on, peaking near 78% around 09:00.Rain features in Santa Rosa on October 23, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. The morning carries the wetter risk, with rain chances near 72% and the highest odds around 11:00. Cloud is also thick early on, peaking near 78% around 09:00.

The temperature range runs from about 21°C up to 30°C. Relative humidity sits between 49% and 96%, reaching its peak around 19:00. Winds stay light, near 9 km/h by 13:00, so the day feels still more than breezy.The temperature range runs from about 70°F up to 86°F. Relative humidity sits between 49% and 96%, reaching its peak around 19:00. Winds stay light, near 6 mph by 13:00, so the day feels still more than breezy.

The second half of the day still looks unsettled, with rain probability around 82% by 17:00. Dense cloud near 98% at 22:00 keeps the feel grey. Expect visibility near 15.5 km, with poorer spells close to 9.8 km. Daylight runs from 05:42 to 17:28, lasting 11 hours 46 minutes of sunlight today.The second half of the day still looks unsettled, with rain probability around 82% by 17:00. Dense cloud near 98% at 22:00 keeps the feel grey. Expect visibility near 9.6 mi, with poorer spells close to 6.1 mi. Daylight runs from 05:42 to 17:28, lasting 11 hours 46 minutes of sunlight today.

Taken together, Santa Rosa looks wet enough on October 23, 2026 that flexible outdoor plans work best, with temperatures peaking near 30°C.Taken together, Santa Rosa looks wet enough on October 23, 2026 that flexible outdoor plans work best, with temperatures peaking near 86°F.