San Rafael

Current Weather

20°67°

Mostly Cloudy

Feels Like: 18°65°

Min: 19°67°

Max: 26°80°

The next few hours will be overcast, with today reaching 26°C and dropping to 19°C. The coming days will be light rain throughout the day and possible thunderstorms in the afternoon.

Hourly Forecast
19°67°20°69°21°70°22°72°24°75°25°77°26°79°26°79°26°79°26°80°24°76°22°72°20°69°20°69°20°69°20°69°20°69°20°68°20°68°20°68°19°67°19°66°19°67°19°67°
6%
66%
66%
66%
98%
98%
98%
86%
86%
86%
92%
92%
92%
70%
70%
70%
34%
34%
34%
6%
6%
6%
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
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
14
Good

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

GoodHazardous
Daylight Hours

05:38

Sunrise

17:21

Sunset

11 hours 43 minutes of sunlight today
Moon

07:10

Moonrise

18:06

Moonset

Daily Forecast

Today

19°67°
26°80°

Tuesday

19°66°
27°81°

Wednesday

19°66°
27°80°

Thursday

19°66°
27°80°

Friday

19°67°
27°80°

Saturday

19°67°
25°77°

Sunday

19°67°
25°76°

Monday

19°67°
26°79°

Tuesday

19°66°
26°79°

Wednesday

19°66°
26°79°
UV Index
No protection needed
0Low
LowExtreme
Humidity
98%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 San Rafael.

View stargazing score

Weather in San Rafael today, October 12, 2026

San Rafael looks damp on October 12, 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 98% near 10:00. Skies look heaviest around 06:00, with cover close to 86%.San Rafael looks damp on October 12, 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 98% near 10:00. Skies look heaviest around 06:00, with cover close to 86%.

Temperatures climb from an overnight low near 19°C toward a daytime high of about 26°C. The air stays humid, with relative humidity between 68% and 100% and the peak around 06:00. Winds stay light, near 13 km/h by 12:00, so the day feels still more than breezy.Temperatures climb from an overnight low near 67°F toward a daytime high of about 80°F. The air stays humid, with relative humidity between 68% and 100% and the peak around 06:00. Winds stay light, near 8 mph by 12:00, so the day feels still more than breezy.

The second half of the day still looks unsettled, with rain probability around 98% by 12:00. Dense cloud near 84% at 23:00 keeps the feel grey. Expect visibility around 16.1 km. Daylight runs from 05:38 to 17:21, lasting 11 hours 43 minutes of sunlight today.The second half of the day still looks unsettled, with rain probability around 98% by 12:00. Dense cloud near 84% at 23:00 keeps the feel grey. Expect visibility around 10 mi. Daylight runs from 05:38 to 17:21, lasting 11 hours 43 minutes of sunlight today.

In short, treat October 12, 2026 in San Rafael as a damp day: pack covers, watch the wetter hours, and expect a high near 26°C.In short, treat October 12, 2026 in San Rafael as a damp day: pack covers, watch the wetter hours, and expect a high near 80°F.

Frequently asked questions about weather in San Rafael

How warm does it get in San Rafael?

The warmest month in San Rafael is May, with average high temperatures of 31°C. The average temperature during this period is around 26°C.The warmest month in San Rafael is May, with average high temperatures of 89°F. The average temperature during this period is around 78°F.

How cold does it get in San Rafael?

The coldest month in San Rafael is January, with average low temperatures of 18°C. The average temperature during this period is around 22°C.The coldest month in San Rafael is January, with average low temperatures of 64°F. The average temperature during this period is around 71°F.

What is the wettest time of year in San Rafael?

The wettest month in San Rafael is October, with an average of 196 mm of precipitation.The wettest month in San Rafael is October, with an average of 7.7 in of precipitation.

What is the driest time of year in San Rafael?

The driest month in San Rafael is March, with an average of 26 mm of precipitation.The driest month in San Rafael is March, with an average of 1 in of precipitation.

View full climate insights for San Rafael →