What is the weather in San Geronimo right now?

Current weather in San Geronimo is fog.

Where can I find the hourly weather forecast for San Geronimo?

This page shows hourly weather forecast for San Geronimo, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for San Geronimo updated regularly?

Weather data for San Geronimo is updated regularly with the latest available observations and forecasts.

Now · 4:29 AM

San Geronimo Weather & Hourly Forecast

United States · California · 94963

51°F

Fog at night

Feels like: 49°F

💧 Humidity 99% 🌡 Pressure 29.91 inHg 💨 Wind 3 mph 👁 Visibility 0.1 mi ☁ Clouds 87% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:58 AM 🌇 Sunset 7:07 PM

Hourly Forecast for San Geronimo

Today

5:00 AM

Fog at night

51° 💧 None 💨 3 mph H 99%29.91 inHg

8:00 AM

Fog

56° 💧 None 💨 2 mph H 97%29.94 inHg

11:00 AM

Sunny

71° 💧 None 💨 1 mph H 63%29.97 inHg

2:00 PM

Sunny

80° 💧 None 💨 4 mph H 42%29.91 inHg

5:00 PM

Mostly sunny

75° 💧 None 💨 5 mph H 47%29.88 inHg

8:00 PM

Clear night

61° 💧 None 💨 4 mph H 69%29.88 inHg

11:00 PM

Clear night

61° 💧 None 💨 1 mph H 66%29.88 inHg

Tomorrow

2:00 AM

Mostly clear night

59° 💧 None 💨 1 mph H 68%29.85 inHg

5:00 AM

Clear night

55° 💧 None 💨 2 mph H 80%29.85 inHg

8:00 AM

Sunny

59° 💧 None 💨 2 mph H 78%29.88 inHg

11:00 AM

Overcast

76° 💧 None 💨 2 mph H 47%29.91 inHg

2:00 PM

Overcast

77° 💧 None 💨 6 mph H 46%29.88 inHg

5:00 PM

Overcast

66° 💧 None 💨 10 mph H 62%29.91 inHg

8:00 PM

Overcast night

62° 💧 None 💨 11 mph H 56%29.88 inHg

11:00 PM

Overcast night

61° 💧 None 💨 10 mph H 55%29.91 inHg

Friday

2:00 AM

Clear night

58° 💧 None 💨 11 mph H 81%29.94 inHg

Today

5:00 AM

Fog at night

51° 💧 None 💨 3 mph H 99%29.91 inHg

6:00 AM

Fog at night

52° 💧 None 💨 3 mph H 100%29.91 inHg

7:00 AM

Fog

54° 💧 None 💨 3 mph H 100%29.94 inHg

8:00 AM

Fog

56° 💧 None 💨 2 mph H 97%29.94 inHg

9:00 AM

Mostly sunny

59° 💧 None 💨 1 mph H 87%29.94 inHg

10:00 AM

Mostly sunny

65° 💧 None 💨 0 mph H 75%29.97 inHg

11:00 AM

Sunny

71° 💧 None 💨 1 mph H 63%29.97 inHg

12:00 PM

Sunny

76° 💧 None 💨 2 mph H 52%29.94 inHg

1:00 PM

Sunny

78° 💧 None 💨 3 mph H 46%29.94 inHg

2:00 PM

Sunny

80° 💧 None 💨 4 mph H 42%29.91 inHg

3:00 PM

Sunny

80° 💧 None 💨 5 mph H 43%29.91 inHg

4:00 PM

Sunny

78° 💧 None 💨 6 mph H 46%29.88 inHg

5:00 PM

Mostly sunny

75° 💧 None 💨 5 mph H 47%29.88 inHg

6:00 PM

Sunny

72° 💧 None 💨 5 mph H 52%29.88 inHg

7:00 PM

Sunny

66° 💧 None 💨 4 mph H 62%29.88 inHg

8:00 PM

Clear night

61° 💧 None 💨 4 mph H 69%29.88 inHg

9:00 PM

Mostly clear night

61° 💧 None 💨 4 mph H 69%29.88 inHg

10:00 PM

Clear night

60° 💧 None 💨 3 mph H 69%29.88 inHg

11:00 PM

Clear night

61° 💧 None 💨 1 mph H 66%29.88 inHg

Tomorrow

12:00 AM

Clear night

61° 💧 None 💨 1 mph H 65%29.88 inHg

1:00 AM

Clear night

60° 💧 None 💨 1 mph H 67%29.85 inHg

2:00 AM

Mostly clear night

59° 💧 None 💨 1 mph H 68%29.85 inHg

3:00 AM

Clear night

59° 💧 None 💨 0 mph H 69%29.85 inHg

4:00 AM

Clear night

57° 💧 None 💨 1 mph H 74%29.85 inHg

5:00 AM

Clear night

55° 💧 None 💨 2 mph H 80%29.85 inHg

6:00 AM

Partly cloudy night

55° 💧 None 💨 2 mph H 83%29.85 inHg

7:00 AM

Mostly sunny

55° 💧 None 💨 1 mph H 79%29.88 inHg

8:00 AM

Sunny

59° 💧 None 💨 2 mph H 78%29.88 inHg

9:00 AM

Mostly sunny

66° 💧 None 💨 1 mph H 60%29.91 inHg

10:00 AM

Mostly cloudy

72° 💧 None 💨 1 mph H 51%29.91 inHg

11:00 AM

Overcast

76° 💧 None 💨 2 mph H 47%29.91 inHg

12:00 PM

Overcast

77° 💧 None 💨 4 mph H 46%29.91 inHg

1:00 PM

Overcast

78° 💧 None 💨 5 mph H 47%29.88 inHg

2:00 PM

Overcast

77° 💧 None 💨 6 mph H 46%29.88 inHg

3:00 PM

Overcast

76° 💧 None 💨 8 mph H 45%29.88 inHg

4:00 PM

Overcast

71° 💧 None 💨 10 mph H 49%29.91 inHg

5:00 PM

Overcast

66° 💧 None 💨 10 mph H 62%29.91 inHg

6:00 PM

Overcast

62° 💧 None 💨 9 mph H 70%29.88 inHg

7:00 PM

Overcast

62° 💧 None 💨 10 mph H 59%29.88 inHg

8:00 PM

Overcast night

62° 💧 None 💨 11 mph H 56%29.88 inHg

9:00 PM

Overcast night

61° 💧 None 💨 10 mph H 56%29.91 inHg

10:00 PM

Overcast night

61° 💧 None 💨 10 mph H 54%29.91 inHg

11:00 PM

Overcast night

61° 💧 None 💨 10 mph H 55%29.91 inHg

Friday

12:00 AM

Overcast night

59° 💧 None 💨 11 mph H 62%29.94 inHg

1:00 AM

Mostly clear night

59° 💧 None 💨 11 mph H 69%29.94 inHg

2:00 AM

Clear night

58° 💧 None 💨 11 mph H 81%29.94 inHg

3:00 AM

Mostly cloudy night

59° 💧 None 💨 11 mph H 94%29.94 inHg

4:00 AM

Partly cloudy night

60° 💧 None 💨 11 mph H 96%29.94 inHg

5:00 AM

Mostly cloudy night

60° 💧 None 💨 10 mph H 96%29.94 inHg

6:00 AM

Overcast night

59° 💧 None 💨 9 mph H 99%29.97 inHg

7:00 AM

Fog

58° 💧 None 💨 7 mph H 100%29.97 inHg

8:00 AM

Mostly cloudy

59° 💧 None 💨 6 mph H 97%30.00 inHg

9:00 AM

Sunny

63° 💧 None 💨 6 mph H 84%30.00 inHg

10:00 AM

Sunny

67° 💧 None 💨 7 mph H 71%30.00 inHg

11:00 AM

Mostly sunny

70° 💧 None 💨 7 mph H 62%30.00 inHg

12:00 PM

Mostly sunny

71° 💧 None 💨 8 mph H 56%30.00 inHg

1:00 PM

Mostly sunny

72° 💧 None 💨 9 mph H 53%30.00 inHg

2:00 PM

Mostly cloudy

72° 💧 None 💨 10 mph H 49%29.97 inHg

3:00 PM

Partly cloudy

71° 💧 None 💨 11 mph H 48%29.97 inHg

4:00 PM

Sunny

69° 💧 None 💨 10 mph H 53%29.97 inHg

5:00 PM

Sunny

67° 💧 None 💨 10 mph H 60%29.94 inHg

8:00 PM

Clear night

58° 💧 None 💨 11 mph H 79%29.94 inHg

11:00 PM

Clear night

55° 💧 None 💨 9 mph H 88%29.94 inHg

Saturday

2:00 AM

Clear night

52° 💧 None 💨 6 mph H 95%29.91 inHg

5:00 AM

Mostly clear night

52° 💧 None 💨 6 mph H 99%29.91 inHg

8:00 AM

Mostly sunny

53° 💧 None 💨 3 mph H 97%29.91 inHg

11:00 AM

Sunny

64° 💧 None 💨 4 mph H 66%29.94 inHg

2:00 PM

Sunny

66° 💧 None 💨 7 mph H 63%29.91 inHg

5:00 PM

Mostly sunny

61° 💧 None 💨 6 mph H 76%29.88 inHg

8:00 PM

Mostly cloudy night

54° 💧 None 💨 5 mph H 99%29.88 inHg

11:00 PM

Mostly cloudy night

52° 💧 None 💨 4 mph H 99%29.91 inHg

Sunday

2:00 AM

Overcast night

52° 💧 None 💨 3 mph H 99%29.91 inHg

5:00 AM

Overcast night

53° 💧 None 💨 5 mph H 99%29.88 inHg

8:00 AM

Partly cloudy

54° 💧 None 💨 10 mph H 97%29.94 inHg

11:00 AM

Mostly sunny

61° 💧 None 💨 12 mph H 72%29.97 inHg

2:00 PM

Sunny

63° 💧 None 💨 13 mph H 66%29.97 inHg

5:00 PM

Sunny

60° 💧 None 💨 13 mph H 73%29.94 inHg

8:00 PM

Clear night

55° 💧 None 💨 12 mph H 88%29.94 inHg

11:00 PM

Clear night

53° 💧 None 💨 8 mph H 94%29.94 inHg

Monday

2:00 AM

Clear night

50° 💧 None 💨 2 mph H 96%29.94 inHg

5:00 AM

Clear night

49° 💧 None 💨 2 mph H 96%29.94 inHg

8:00 AM

Partly cloudy

52° 💧 None 💨 1 mph H 92%29.97 inHg

11:00 AM

Sunny

70° 💧 None 💨 3 mph H 51%30.00 inHg

2:00 PM

Sunny

72° 💧 None 💨 7 mph H 48%29.97 inHg

5:00 PM

Sunny

69° 💧 None 💨 7 mph H 48%29.91 inHg

11:00 PM

Clear night

56° 💧 None 💨 6 mph H 78%29.88 inHg

Tuesday

5:00 AM

Clear night

54° 💧 None 💨 0 mph H 77%29.85 inHg

11:00 AM

Sunny

75° 💧 None 💨 2 mph H 44%29.91 inHg

5:00 PM

Sunny

71° 💧 None 💨 7 mph H 45%29.85 inHg

11:00 PM

Clear night

57° 💧 None 💨 8 mph H 74%29.85 inHg

Wednesday

5:00 AM

Clear night

54° 💧 None 💨 3 mph H 65%29.83 inHg

11:00 AM

Sunny

81° 💧 None 💨 0 mph H 30%29.88 inHg

5:00 PM

Sunny

76° 💧 None 💨 6 mph H 38%29.83 inHg

11:00 PM

Partly cloudy night

57° 💧 None 💨 5 mph H 82%29.83 inHg

Thursday

5:00 AM

Mostly cloudy night

54° 💧 None 💨 3 mph H 90%29.83 inHg

11:00 AM

Partly cloudy

70° 💧 None 💨 4 mph H 56%29.88 inHg

5:00 PM

Mostly sunny

67° 💧 None 💨 8 mph H 57%29.85 inHg

11:00 PM

Clear night

56° 💧 None 💨 8 mph H 88%29.85 inHg

Friday

5:00 AM

Clear night

53° 💧 None 💨 8 mph H 89%29.85 inHg

11:00 AM

Sunny

70° 💧 None 💨 4 mph H 45%29.88 inHg

5:00 PM

Sunny

73° 💧 None 💨 6 mph H 39%29.83 inHg

11:00 PM

Clear night

57° 💧 None 💨 3 mph H 81%29.83 inHg

Saturday

5:00 AM

Clear night

56° 💧 None 💨 0 mph H 77%29.80 inHg

11:00 AM

Sunny

77° 💧 None 💨 2 mph H 44%29.88 inHg

5:00 PM

Sunny

76° 💧 None 💨 5 mph H 46%29.83 inHg

11:00 PM

Clear night

63° 💧 None 💨 2 mph H 49%29.85 inHg

Sunday

5:00 AM

Clear night

60° 💧 None 💨 2 mph H 49%29.85 inHg

11:00 AM

Sunny

84° 💧 None 💨 1 mph H 29%29.91 inHg

5:00 PM

Sunny

81° 💧 None 💨 6 mph H 31%29.85 inHg

11:00 PM

Clear night

66° 💧 None 💨 2 mph H 39%29.85 inHg

Monday

5:00 AM

Clear night

58° 💧 None 💨 2 mph H 63%29.85 inHg

11:00 AM

Sunny

79° 💧 None 💨 4 mph H 34%29.91 inHg

5:00 PM

Sunny

71° 💧 None 💨 3 mph H 49%29.88 inHg

11:00 PM

Mostly clear night

59° 💧 None 💨 2 mph H 76%29.91 inHg

Tuesday

5:00 AM

Partly cloudy night

56° 💧 None 💨 1 mph H 89%29.88 inHg

11:00 AM

Mostly sunny

68° 💧 None 💨 3 mph H 53%29.94 inHg

5:00 PM

Sunny

72° 💧 None 💨 5 mph H 53%29.88 inHg

11:00 PM

Mostly clear night

56° 💧 None 💨 6 mph H 93%29.94 inHg

Wednesday

5:00 AM

Mostly clear night

54° 💧 None 💨 9 mph H 99%29.97 inHg

11:00 AM

Sunny

68° 💧 None 💨 7 mph H 50%30.00 inHg

5:00 PM

Sunny

64° 💧 None 💨 12 mph H 70%29.97 inHg

In San Geronimo and, more broadly, across the state of California: Tonight, expect mostly cloudy skies with mild to warm temperatures ranging from 73 to 80 degrees Fahrenheit. Winds will be light, coming from the west at around 9 mph, with occasional gusts reaching up to 16 mph. No precipitation is forecast for the evening and the early night hours, so outdoor plans should be comfortable. Temperatures may gradually cool into the lower 70s later in the night, but overall, conditions will remain mild. The wind remains gentle, providing a slight breeze without causing concern. Overall, it should be a pleasant evening with no weather-related disruptions.

15-Day Weather Outlook for San Geronimo

TomorrowTomorrow

Mostly sunny 78°/55° 💧 None 💨 11 mph

Friday, Sep 25Fri Sep 25

Overcast 72°/55° 💧 None 💨 11 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 66°/52° 💧 None 💨 7 mph

Sunday, Sep 27Sun Sep 27

Overcast 63°/52° 💧 None 💨 13 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 72°/49° 💧 None 💨 7 mph

Tuesday, Sep 29Tue Sep 29

Sunny 75°/54° 💧 None 💨 8 mph

Wednesday, Sep 30Wed Sep 30

Partly cloudy 81°/54° 💧 None 💨 6 mph

Thursday, Oct 1Thu Oct 1

Mostly cloudy 70°/54° 💧 None 💨 8 mph

Friday, Oct 2Fri Oct 2

Sunny 73°/53° 💧 None 💨 8 mph

Saturday, Oct 3Sat Oct 3

Sunny 77°/56° 💧 None 💨 5 mph

Sunday, Oct 4Sun Oct 4

Sunny 84°/60° 💧 None 💨 6 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 79°/58° 💧 None 💨 4 mph

Tuesday, Oct 6Tue Oct 6

Partly cloudy 72°/56° 💧 None 💨 6 mph

Wednesday, Oct 7Wed Oct 7

Mostly sunny 68°/54° 💧 None 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in San Geronimo

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for San Geronimo

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 5:00 AM

PM2.5 Fine particles Good 4,7µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 18,1µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 80,1µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,7µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in San Geronimo

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 6,6High 🙂Fair

Tomorrow UV 5,8Moderate 🙂Fair

Friday UV 6,3High 🙂Fair

Saturday UV 6,0High 🙂Fair

Sunday UV 6,0High 🙂Fair

Monday UV 6,0High —Unavailable

Tuesday UV 7,0High —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,2 9:00 AMUV 1,0 10:00 AMUV 2,5 11:00 AMUV 4,3 12:00 PMUV 5,9 1:00 PMUV 6,6 2:00 PMUV 6,2 3:00 PMUV 5,0 4:00 PMUV 3,1 5:00 PMUV 1,4 6:00 PMUV 0,4

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for San Geronimo

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SAN GERONIMO, CALIFORNIA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

10/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 84% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 66° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Andalusia US · Alabama · 8,766 residents Tytherington GB · England · 805 residents Fort Leonard Wood US · Missouri · 15,432 residents Nokomis US · Florida · 3,452 residents Seaforth (NSW) AU · New South Wales · 7,384 residents Crosbyton US · Texas · 1,774 residents Boucherville CA · Quebec · 41,743 residents Greensboro US · North Carolina · 301,198 residents Waterville US · New York · 1,731 residents Lawnton US · Pennsylvania · 4,765 residents Carmel US · Indiana · 101,651 residents The Crossings US · Florida · 22,963 residents Fort Worth US · Texas · 963,194 residents Woodstock US · Illinois · 26,147 residents Richwood US · West Virginia · 2,403 residents Hope Mills US · North Carolina · 17,939 residents

Forecast data for San Geronimo were last refreshed today at 4:29 AM. The current forecast period extends through 25/09/2026 at 2:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.