Santa Rosa

Weather in Santa Rosa today, October 23, 2026

Santa Rosa looks damp on October 23, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Wetter spells lean into the morning, when rain odds reach about 100% near 11:00. Skies look heaviest around 10:00, with cover close to 88%.Santa Rosa looks damp on October 23, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Wetter spells lean into the morning, when rain odds reach about 100% near 11:00. Skies look heaviest around 10:00, with cover close to 88%.

The temperature range runs from about 15°C up to 21°C. Relative humidity sits between 88% and 98%, reaching its peak around 16:00. A lighter breeze peaks around 10:00 near 4 km/h.The temperature range runs from about 59°F up to 70°F. Relative humidity sits between 88% and 98%, reaching its peak around 16:00. A lighter breeze peaks around 10:00 near 3 mph.

The second half of the day still looks unsettled, with rain probability around 100% by 12:00. Dense cloud near 95% at 19:00 keeps the feel grey. Visibility stays generally good near 7.1 km on average, though it can drop toward 0.3 km in thicker cloud or showers. The sun rises at 05:51 and sets at 17:48, for a total of 11 hours 56 minutes of sunlight today.The second half of the day still looks unsettled, with rain probability around 100% by 12:00. Dense cloud near 95% at 19:00 keeps the feel grey. Visibility stays generally good near 4.4 mi on average, though it can drop toward 0.2 mi in thicker cloud or showers. The sun rises at 05:51 and sets at 17:48, for a total of 11 hours 56 minutes of sunlight today.

The practical takeaway for Santa Rosa on October 23, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 21°C.The practical takeaway for Santa Rosa on October 23, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 70°F.