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San Geronimo CA Weather - Overcast - 55°F
Overcast
55°F
Updated 12:46 am
Feels Like 56°F
Humidity 100%
Wind N 0 mph
Barometer  29.82 in
Dew Point 55°F
San Geronimo CA Weather - Overcast - 13°C
Overcast
13°C
Updated 12:46 am
Feels Like 13°C
Humidity 100%
Wind N 0 km/h
Barometer  101 kPa
Dew Point 13°C
San Geronimo, CA Weather and Current Conditionssan geronimo ca weather forecast

San Geronimo, CA Weather Forecast

San Geronimo California WeatherSan Geronimo, California Weather Weather Forecast
14 day API forecast for San Geronimo, California. Note. The 7-day weather forecast for San Geronimo, CA is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
San Geronimo, CA Weather Forecast Dated: 1246 AM Thu Oct 22 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.

Thursday, October 22, 2026

Mid-Morning
San Geronimo Weather - 2026-10-22 - Morning - Heavy Thunderstorms
56°F 13°C
Heavy Thunderstorms
Mid-Afternoon
San Geronimo Weather - 2026-10-22 - Afternoon - Overcast
58°F 14°C
Overcast
Early-Evening
San Geronimo Weather - 2026-10-22 - Evening - Overcast
56°F 13°C
Overcast
Refreshing around 58°F 14°C, early thunderstorms breaking for a drier afternoon, with steady humidity and steady pressure.

Friday, October 23, 2026

Mid-Morning
San Geronimo Weather - 2026-10-23 - Morning - Partly Cloudy
54°F 12°C
Partly Cloudy
Mid-Afternoon
San Geronimo Weather - 2026-10-23 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
San Geronimo Weather - 2026-10-23 - Evening - Sunny
63°F 17°C
Sunny
Mildly cool near 61°F 16°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.

Saturday, October 24, 2026

Mid-Morning
San Geronimo Weather - 2026-10-24 - Morning - Sunny
56°F 14°C
Sunny
Mid-Afternoon
San Geronimo Weather - 2026-10-24 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
San Geronimo Weather - 2026-10-24 - Evening - Sunny
65°F 18°C
Sunny
Comfortable at 66°F 19°C, sunny throughout the day, with increasing humidity and steady pressure.

Sunday, October 25, 2026

Mid-Morning
San Geronimo Weather - 2026-10-25 - Morning - Overcast
58°F 15°C
Overcast
Mid-Afternoon
San Geronimo Weather - 2026-10-25 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
San Geronimo Weather - 2026-10-25 - Evening - Sunny
66°F 19°C
Sunny
Cool with a high near 66°F 19°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.

Monday, October 26, 2026

Mid-Morning
San Geronimo Weather - 2026-10-26 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
San Geronimo Weather - 2026-10-26 - Afternoon - Overcast
65°F 18°C
Overcast
Early-Evening
San Geronimo Weather - 2026-10-26 - Evening - Sunny
61°F 16°C
Sunny
Refreshing around 65°F 18°C, overcast through the afternoon, turning partly cloudy this evening, with increasing humidity and steady pressure.

Tuesday, October 27, 2026

Mid-Morning
San Geronimo Weather - 2026-10-27 - Morning - Overcast
56°F 14°C
Overcast
Mid-Afternoon
San Geronimo Weather - 2026-10-27 - Afternoon - Overcast
62°F 17°C
Overcast
Early-Evening
San Geronimo Weather - 2026-10-27 - Evening - Partly Cloudy
58°F 15°C
Partly Cloudy
Mildly cool near 62°F 17°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.

Wednesday, October 28, 2026

Mid-Morning
San Geronimo Weather - 2026-10-28 - Morning - Partly Cloudy
55°F 13°C
Partly Cloudy
Mid-Afternoon
San Geronimo Weather - 2026-10-28 - Afternoon - Cloudy
63°F 17°C
Cloudy
Early-Evening
San Geronimo Weather - 2026-10-28 - Evening - Cloudy
62°F 17°C
Cloudy
Comfortable at 63°F 17°C, cloudy through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling.

Thursday, October 29, 2026

Mid-Morning
San Geronimo Weather - 2026-10-29 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
San Geronimo Weather - 2026-10-29 - Afternoon - Cloudy
64°F 18°C
Cloudy
Early-Evening
San Geronimo Weather - 2026-10-29 - Evening - Overcast
63°F 17°C
Overcast
Cool with a high near 64°F 18°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure.

Friday, October 30, 2026

Mid-Morning
San Geronimo Weather - 2026-10-30 - Morning - Scattered Showers
58°F 15°C
Scattered Showers
Mid-Afternoon
San Geronimo Weather - 2026-10-30 - Afternoon - Partly Cloudy
62°F 17°C
Partly Cloudy
Early-Evening
San Geronimo Weather - 2026-10-30 - Evening - Partly Cloudy
60°F 15°C
Partly Cloudy
Refreshing around 62°F 17°C, locally heavy downpours at times, with steady humidity and steady pressure.

Saturday, October 31, 2026

Mid-Morning
San Geronimo Weather - 2026-10-31 - Morning - Partly Cloudy
57°F 14°C
Partly Cloudy
Mid-Afternoon
San Geronimo Weather - 2026-10-31 - Afternoon - Scattered Showers
61°F 16°C
Scattered Showers
Early-Evening
San Geronimo Weather - 2026-10-31 - Evening - Drizzle
60°F 15°C
Drizzle
Mildly cool near 61°F 16°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.

Sunday, November 1, 2026

Mid-Morning
San Geronimo Weather - 2026-11-01 - Morning - Rain
58°F 14°C
Rain
Mid-Afternoon
San Geronimo Weather - 2026-11-01 - Afternoon - Light Showers
62°F 17°C
Light Showers
Early-Evening
San Geronimo Weather - 2026-11-01 - Evening - Drizzle
61°F 16°C
Drizzle
Comfortable at 62°F 17°C, persistent showers off and on through the day, with steady humidity and steady pressure. Winds turning from the ENE to the SSW at 9 mph 14 km/h. Gusts up to 28 mph 45 km/h.

Monday, November 2, 2026

Mid-Morning
San Geronimo Weather - 2026-11-02 - Morning - Scattered Showers
61°F 16°C
Scattered Showers
Mid-Afternoon
San Geronimo Weather - 2026-11-02 - Afternoon - Scattered Showers
64°F 18°C
Scattered Showers
Early-Evening
San Geronimo Weather - 2026-11-02 - Evening - Scattered Showers
64°F 18°C
Scattered Showers
Cool with a high near 64°F 18°C, locally heavy downpours at times, with steady humidity and steady pressure.

Tuesday, November 3, 2026

Mid-Morning
San Geronimo Weather - 2026-11-03 - Morning - Scattered Showers
61°F 16°C
Scattered Showers
Mid-Afternoon
San Geronimo Weather - 2026-11-03 - Afternoon - Scattered Showers
63°F 17°C
Scattered Showers
Early-Evening
San Geronimo Weather - 2026-11-03 - Evening - Scattered Showers
62°F 17°C
Scattered Showers
Refreshing around 63°F 17°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.

Wednesday, November 4, 2026

Mid-Morning
San Geronimo Weather - 2026-11-04 - Morning - Partly Cloudy
60°F 15°C
Partly Cloudy
Mid-Afternoon
San Geronimo Weather - 2026-11-04 - Afternoon - Overcast
65°F 18°C
Overcast
Early-Evening
San Geronimo Weather - 2026-11-04 - Evening - Overcast
63°F 17°C
Overcast
Mildly cool near 65°F 18°C, overcast throughout the day, with steady humidity and barometric pressure falling.

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Weather by the Numbers

Thu, 22nd
San Geronimo CA Weather - Thursday, Oct 22, 2026 - Moderate Rain
Hi: 60°F 16°C
Lo: 54°F 12°C
Sunrise 07:26 AM
Sunset 06:23 PM
Wind NNE 2 mph4 km/h
Dew Point 54°F12°C
uv Index 3
Barometric Pressure 29.91 in1013 mb
POP 86% *
Humidity 95%
Fri, 23rd
San Geronimo CA Weather - Friday, Oct 23, 2026 - Sunny
Hi: 64°F 18°C
Lo: 52°F 11°C
Sunrise 07:27 AM
Sunset 06:22 PM
Wind NE 6 mph10 km/h
Dew Point 51°F11°C
uv Index 3
Barometric Pressure 30.06 in1018 mb
POP 9% *
Humidity 79%
Sat, 24th
San Geronimo CA Weather - Saturday, Oct 24, 2026 - Sunny
Hi: 69°F 20°C
Lo: 55°F 13°C
Sunrise 07:28 AM
Sunset 06:20 PM
Wind NE 5 mph9 km/h
Dew Point 35°F2°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 39%
Sun, 25th
San Geronimo CA Weather - Sunday, Oct 25, 2026 - Overcast
Hi: 68°F 20°C
Lo: 56°F 13°C
Sunrise 07:29 AM
Sunset 06:19 PM
Wind NE 5 mph8 km/h
Dew Point 42°F5°C
uv Index 3
Barometric Pressure 30.09 in1019 mb
POP 11% *
Humidity 49%
Mon, 26th
San Geronimo CA Weather - Monday, Oct 26, 2026 - Overcast
Hi: 65°F 18°C
Lo: 55°F 13°C
Sunrise 07:30 AM
Sunset 06:18 PM
Wind SSE 2 mph3 km/h
Dew Point 45°F7°C
uv Index 4
Barometric Pressure 30.12 in1020 mb
POP 13% *
Humidity 53%
Tue, 27th
San Geronimo CA Weather - Tuesday, Oct 27, 2026 - Overcast
Hi: 62°F 17°C
Lo: 55°F 13°C
Sunrise 07:31 AM
Sunset 06:17 PM
Wind WNW 3 mph5 km/h
Dew Point 49°F9°C
uv Index 4
Barometric Pressure 30.09 in1019 mb
POP 15% *
Humidity 65%
Wed, 28th
San Geronimo CA Weather - Wednesday, Oct 28, 2026 - Cloudy
Hi: 66°F 19°C
Lo: 52°F 11°C
Sunrise 07:32 AM
Sunset 06:16 PM
Wind NE 2 mph4 km/h
Dew Point 48°F9°C
uv Index 4
Barometric Pressure 30 in1016 mb
POP 10% *
Humidity 66%
Thu, 29th
San Geronimo CA Weather - Thursday, Oct 29, 2026 - Cloudy
Hi: 66°F 19°C
Lo: 57°F 14°C
Sunrise 07:33 AM
Sunset 06:14 PM
Wind ESE 3 mph4 km/h
Dew Point 44°F7°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 11% *
Humidity 51%
Fri, 30th
San Geronimo CA Weather - Friday, Oct 30, 2026 - Patchy Rain Nearby
Hi: 62°F 17°C
Lo: 56°F 13°C
Sunrise 07:35 AM
Sunset 06:13 PM
Wind S 4 mph7 km/h
Dew Point 52°F11°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 12% *
Humidity 71%
Sat, 31st
San Geronimo CA Weather - Saturday, Oct 31, 2026 - Patchy Rain Nearby
Hi: 62°F 16°C
Lo: 55°F 13°C
Sunrise 07:36 AM
Sunset 06:12 PM
Wind E 4 mph6 km/h
Dew Point 53°F12°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 16% *
Humidity 80%
Sun, 1st
San Geronimo CA Weather - Sunday, Nov 1, 2026 - Light Rain
Hi: 62°F 17°C
Lo: 56°F 13°C
Sunrise 07:37 AM
Sunset 06:11 PM
Wind ESE 8 mph13 km/h
Dew Point 53°F12°C
uv Index 4
Barometric Pressure 29.74 in1007 mb
POP 70% *
Humidity 77%
Mon, 2nd
San Geronimo CA Weather - Monday, Nov 2, 2026 - Patchy Rain Nearby
Hi: 65°F 19°C
Lo: 58°F 15°C
Sunrise 06:37 AM
Sunset 05:10 PM
Wind SSE 3 mph5 km/h
Dew Point 55°F13°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 20% *
Humidity 76%
Tue, 3rd
San Geronimo CA Weather - Tuesday, Nov 3, 2026 - Patchy Rain Nearby
Hi: 64°F 18°C
Lo: 60°F 16°C
Sunrise 06:38 AM
Sunset 05:09 PM
Wind SW 5 mph8 km/h
Dew Point 58°F15°C
uv Index 4
Barometric Pressure 30.15 in1021 mb
POP 35% *
Humidity 88%
Wed, 4th
San Geronimo CA Weather - Wednesday, Nov 4, 2026 - Overcast
Hi: 65°F 19°C
Lo: 59°F 15°C
Sunrise 06:39 AM
Sunset 05:08 PM
Wind E 2 mph3 km/h
Dew Point 57°F14°C
uv Index 4
Barometric Pressure 30.15 in1021 mb
POP 24% *
Humidity 84%
* POP = Probability of Precipitation. Data for 12:00 PM.