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Current weather in Jamestown is clear sky.

Where can I find the hourly weather forecast for Jamestown?

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

Is the weather forecast for Jamestown updated regularly?

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

Now · 5:34 PM

Jamestown Weather & Hourly Forecast

United States · California · 95327

78°F

Sunny

Feels like: 72°F

💧 Humidity 20% 🌡 Pressure 29.83 inHg 💨 Wind 4 mph 👁 Visibility 20.3 mi ☁ Clouds 1% ☀️ UV index 1.4 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Jamestown

Today

6:00 PM

Sunny

78° 💧 None 💨 4 mph H 20%29.83 inHg

9:00 PM

Clear night

65° 💧 None 💨 5 mph H 36%29.85 inHg

Tomorrow

12:00 AM

Mostly cloudy night

57° 💧 None 💨 2 mph H 55%29.85 inHg

3:00 AM

Partly cloudy night

59° 💧 None 💨 2 mph H 54%29.85 inHg

6:00 AM

Mostly cloudy night

60° 💧 None 💨 2 mph H 50%29.85 inHg

9:00 AM

Mostly cloudy

72° 💧 None 💨 1 mph H 36%29.88 inHg

12:00 PM

Sunny

81° 💧 None 💨 6 mph H 21%29.88 inHg

3:00 PM

Sunny

83° 💧 None 💨 6 mph H 16%29.85 inHg

6:00 PM

Sunny

80° 💧 None 💨 3 mph H 18%29.83 inHg

9:00 PM

Clear night

68° 💧 None 💨 3 mph H 30%29.85 inHg

Wednesday

12:00 AM

Clear night

58° 💧 None 💨 4 mph H 44%29.85 inHg

3:00 AM

Clear night

57° 💧 None 💨 3 mph H 48%29.85 inHg

6:00 AM

Clear night

59° 💧 None 💨 2 mph H 45%29.88 inHg

9:00 AM

Sunny

67° 💧 None 💨 3 mph H 36%29.94 inHg

12:00 PM

Sunny

75° 💧 None 💨 8 mph H 29%29.94 inHg

3:00 PM

Sunny

78° 💧 None 💨 9 mph H 28%29.88 inHg

Today

6:00 PM

Sunny

78° 💧 None 💨 4 mph H 20%29.83 inHg

7:00 PM

Sunny

71° 💧 None 💨 3 mph H 27%29.83 inHg

8:00 PM

Clear night

68° 💧 None 💨 3 mph H 30%29.83 inHg

9:00 PM

Clear night

65° 💧 None 💨 5 mph H 36%29.85 inHg

10:00 PM

Clear night

62° 💧 None 💨 5 mph H 43%29.83 inHg

11:00 PM

Clear night

58° 💧 None 💨 3 mph H 53%29.83 inHg

Tomorrow

12:00 AM

Mostly cloudy night

57° 💧 None 💨 2 mph H 55%29.85 inHg

1:00 AM

Overcast night

58° 💧 None 💨 4 mph H 54%29.85 inHg

2:00 AM

Mostly cloudy night

58° 💧 None 💨 3 mph H 55%29.85 inHg

3:00 AM

Partly cloudy night

59° 💧 None 💨 2 mph H 54%29.85 inHg

4:00 AM

Partly cloudy night

59° 💧 None 💨 2 mph H 53%29.85 inHg

5:00 AM

Partly cloudy night

60° 💧 None 💨 2 mph H 51%29.85 inHg

6:00 AM

Mostly cloudy night

60° 💧 None 💨 2 mph H 50%29.85 inHg

7:00 AM

Mostly cloudy

60° 💧 None 💨 3 mph H 51%29.85 inHg

8:00 AM

Overcast

65° 💧 None 💨 3 mph H 47%29.88 inHg

9:00 AM

Mostly cloudy

72° 💧 None 💨 1 mph H 36%29.88 inHg

10:00 AM

Sunny

76° 💧 None 💨 2 mph H 26%29.88 inHg

11:00 AM

Sunny

79° 💧 None 💨 5 mph H 22%29.88 inHg

12:00 PM

Sunny

81° 💧 None 💨 6 mph H 21%29.88 inHg

1:00 PM

Sunny

82° 💧 None 💨 7 mph H 20%29.88 inHg

2:00 PM

Sunny

83° 💧 None 💨 7 mph H 18%29.85 inHg

3:00 PM

Sunny

83° 💧 None 💨 6 mph H 16%29.85 inHg

4:00 PM

Sunny

83° 💧 None 💨 5 mph H 15%29.83 inHg

5:00 PM

Sunny

82° 💧 None 💨 4 mph H 16%29.83 inHg

6:00 PM

Sunny

80° 💧 None 💨 3 mph H 18%29.83 inHg

7:00 PM

Sunny

75° 💧 None 💨 0 mph H 28%29.83 inHg

8:00 PM

Clear night

72° 💧 None 💨 0 mph H 26%29.83 inHg

9:00 PM

Clear night

68° 💧 None 💨 3 mph H 30%29.85 inHg

10:00 PM

Clear night

62° 💧 None 💨 3 mph H 39%29.85 inHg

11:00 PM

Clear night

59° 💧 None 💨 3 mph H 43%29.85 inHg

Wednesday

12:00 AM

Clear night

58° 💧 None 💨 4 mph H 44%29.85 inHg

1:00 AM

Clear night

58° 💧 None 💨 5 mph H 45%29.85 inHg

2:00 AM

Clear night

57° 💧 None 💨 3 mph H 47%29.85 inHg

3:00 AM

Clear night

57° 💧 None 💨 3 mph H 48%29.85 inHg

4:00 AM

Clear night

57° 💧 None 💨 4 mph H 47%29.85 inHg

5:00 AM

Clear night

57° 💧 None 💨 2 mph H 47%29.85 inHg

6:00 AM

Clear night

59° 💧 None 💨 2 mph H 45%29.88 inHg

7:00 AM

Sunny

59° 💧 None 💨 2 mph H 45%29.88 inHg

8:00 AM

Sunny

64° 💧 None 💨 2 mph H 41%29.91 inHg

9:00 AM

Sunny

67° 💧 None 💨 3 mph H 36%29.94 inHg

10:00 AM

Sunny

71° 💧 None 💨 6 mph H 33%29.94 inHg

11:00 AM

Sunny

74° 💧 None 💨 8 mph H 30%29.94 inHg

12:00 PM

Sunny

75° 💧 None 💨 8 mph H 29%29.94 inHg

1:00 PM

Sunny

76° 💧 None 💨 8 mph H 28%29.94 inHg

2:00 PM

Sunny

78° 💧 None 💨 8 mph H 28%29.91 inHg

3:00 PM

Sunny

78° 💧 None 💨 9 mph H 28%29.88 inHg

4:00 PM

Sunny

78° 💧 None 💨 8 mph H 28%29.88 inHg

5:00 PM

Sunny

76° 💧 None 💨 7 mph H 28%29.88 inHg

6:00 PM

Sunny

74° 💧 None 💨 5 mph H 31%29.88 inHg

7:00 PM

Sunny

69° 💧 None 💨 8 mph H 39%29.91 inHg

8:00 PM

Clear night

65° 💧 None 💨 6 mph H 48%29.94 inHg

9:00 PM

Clear night

62° 💧 None 💨 6 mph H 57%29.97 inHg

10:00 PM

Clear night

60° 💧 None 💨 6 mph H 63%29.97 inHg

11:00 PM

Clear night

58° 💧 None 💨 4 mph H 67%29.97 inHg

Thursday

12:00 AM

Clear night

56° 💧 None 💨 1 mph H 70%29.97 inHg

1:00 AM

Clear night

55° 💧 None 💨 2 mph H 72%29.97 inHg

2:00 AM

Clear night

55° 💧 None 💨 2 mph H 74%30.00 inHg

3:00 AM

Clear night

55° 💧 None 💨 2 mph H 77%30.00 inHg

4:00 AM

Clear night

55° 💧 None 💨 1 mph H 75%30.00 inHg

5:00 AM

Clear night

55° 💧 None 💨 1 mph H 75%30.00 inHg

8:00 AM

Sunny

59° 💧 None 💨 2 mph H 79%30.06 inHg

11:00 AM

Sunny

71° 💧 None 💨 4 mph H 43%30.09 inHg

2:00 PM

Sunny

77° 💧 None 💨 5 mph H 33%30.03 inHg

5:00 PM

Sunny

77° 💧 None 💨 4 mph H 32%30.00 inHg

8:00 PM

Clear night

69° 💧 None 💨 5 mph H 47%30.03 inHg

11:00 PM

Clear night

63° 💧 None 💨 4 mph H 60%30.03 inHg

Friday

2:00 AM

Clear night

58° 💧 None 💨 3 mph H 76%30.03 inHg

5:00 AM

Clear night

56° 💧 None 💨 3 mph H 83%30.03 inHg

8:00 AM

Sunny

61° 💧 None 💨 3 mph H 72%30.03 inHg

11:00 AM

Sunny

76° 💧 None 💨 4 mph H 31%30.03 inHg

2:00 PM

Sunny

82° 💧 None 💨 5 mph H 30%29.97 inHg

5:00 PM

Sunny

83° 💧 None 💨 6 mph H 27%29.91 inHg

8:00 PM

Clear night

73° 💧 None 💨 4 mph H 41%29.94 inHg

11:00 PM

Clear night

65° 💧 None 💨 4 mph H 60%29.94 inHg

Saturday

2:00 AM

Clear night

59° 💧 None 💨 3 mph H 83%29.94 inHg

5:00 AM

Clear night

59° 💧 None 💨 3 mph H 72%29.91 inHg

8:00 AM

Sunny

64° 💧 None 💨 3 mph H 60%29.91 inHg

11:00 AM

Sunny

80° 💧 None 💨 5 mph H 28%29.91 inHg

2:00 PM

Sunny

84° 💧 None 💨 6 mph H 26%29.88 inHg

5:00 PM

Sunny

84° 💧 None 💨 5 mph H 26%29.83 inHg

8:00 PM

Mostly cloudy night

73° 💧 None 💨 4 mph H 42%29.85 inHg

11:00 PM

Clear night

65° 💧 None 💨 4 mph H 59%29.85 inHg

Sunday

2:00 AM

Overcast night

60° 💧 None 💨 4 mph H 73%29.85 inHg

5:00 AM

Overcast night

60° 💧 None 💨 3 mph H 69%29.83 inHg

11:00 AM

Overcast

77° 💧 None 💨 3 mph H 33%29.88 inHg

5:00 PM

Overcast

78° 💧 None 💨 7 mph H 36%29.83 inHg

11:00 PM

Overcast night

62° 💧 None 💨 7 mph H 73%29.91 inHg

Monday

5:00 AM

Clear night

55° 💧 None 💨 7 mph H 91%29.94 inHg

11:00 AM

Sunny

66° 💧 None 💨 5 mph H 59%30.00 inHg

5:00 PM

Sunny

73° 💧 None 💨 7 mph H 44%29.91 inHg

11:00 PM

Clear night

60° 💧 None 💨 4 mph H 76%29.94 inHg

Tuesday

5:00 AM

Clear night

54° 💧 None 💨 2 mph H 97%29.88 inHg

11:00 AM

Sunny

70° 💧 None 💨 5 mph H 51%29.88 inHg

5:00 PM

Mostly sunny

77° 💧 None 💨 8 mph H 38%29.77 inHg

11:00 PM

Clear night

64° 💧 None 💨 3 mph H 63%29.77 inHg

Wednesday

5:00 AM

Mostly clear night

57° 💧 None 💨 2 mph H 87%29.77 inHg

11:00 AM

Sunny

74° 💧 None 💨 5 mph H 41%29.85 inHg

5:00 PM

Sunny

80° 💧 None 💨 5 mph H 24%29.83 inHg

11:00 PM

Clear night

63° 💧 None 💨 4 mph H 59%29.91 inHg

Thursday

5:00 AM

Mostly clear night

57° 💧 None 💨 3 mph H 83%29.94 inHg

11:00 AM

Sunny

81° 💧 None 💨 5 mph H 21%29.97 inHg

5:00 PM

Sunny

83° 💧 None 💨 5 mph H 21%29.94 inHg

11:00 PM

Clear night

66° 💧 None 💨 4 mph H 47%29.97 inHg

Friday

5:00 AM

Mostly clear night

60° 💧 None 💨 4 mph H 62%29.97 inHg

11:00 AM

Sunny

84° 💧 None 💨 3 mph H 22%30.03 inHg

5:00 PM

Sunny

87° 💧 None 💨 5 mph H 18%29.94 inHg

11:00 PM

Clear night

68° 💧 None 💨 4 mph H 44%29.97 inHg

Saturday

5:00 AM

Clear night

63° 💧 None 💨 5 mph H 53%29.94 inHg

11:00 AM

Sunny

88° 💧 None 💨 3 mph H 18%29.94 inHg

5:00 PM

Sunny

90° 💧 None 💨 8 mph H 13%29.85 inHg

11:00 PM

Clear night

69° 💧 None 💨 5 mph H 33%29.91 inHg

Sunday

5:00 AM

Clear night

63° 💧 None 💨 5 mph H 43%29.85 inHg

11:00 AM

Sunny

87° 💧 None 💨 3 mph H 16%29.88 inHg

5:00 PM

Sunny

88° 💧 None 💨 7 mph H 16%29.80 inHg

11:00 PM

Clear night

67° 💧 None 💨 4 mph H 44%29.83 inHg

Monday

5:00 AM

Clear night

59° 💧 None 💨 4 mph H 60%29.77 inHg

11:00 AM

Sunny

78° 💧 None 💨 6 mph H 31%29.77 inHg

5:00 PM

Sunny

79° 💧 None 💨 7 mph H 26%29.71 inHg

11:00 PM

Clear night

61° 💧 None 💨 4 mph H 64%29.71 inHg

Tuesday

5:00 AM

Clear night

54° 💧 None 💨 2 mph H 91%29.71 inHg

In Jamestown and, more broadly, across the state of California: The late afternoon will be mostly sunny with a few clouds drifting across the sky. Temperatures will be mild to warm, ranging from the upper 70s to low 80s. Winds will be light out of the northwest, with speeds up to 9 mph and occasional gusts reaching 14 mph. As evening approaches, skies will remain clear, and temperatures are expected to stay steady before gradually cooling overnight. No precipitation is anticipated, making for a calm and pleasant end to the day.

15-Day Weather Outlook for Jamestown

TomorrowTomorrow

Mostly cloudy 83°/57° 💧 None 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Sunny 78°/57° 💧 None 💨 9 mph

Thursday, Sep 17Thu Sep 17

Sunny 77°/55° 💧 None 💨 5 mph

Friday, Sep 18Fri Sep 18

Sunny 83°/56° 💧 None 💨 6 mph

Saturday, Sep 19Sat Sep 19

Mostly cloudy 84°/59° 💧 None 💨 6 mph

Sunday, Sep 20Sun Sep 20

Overcast 78°/60° 💧 None 💨 7 mph

Monday, Sep 21Mon Sep 21

Sunny 73°/55° 💧 None 💨 7 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 77°/54° 💧 None 💨 8 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 80°/57° 💧 None 💨 5 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 83°/57° 💧 None 💨 5 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 87°/60° 💧 None 💨 5 mph

Saturday, Sep 26Sat Sep 26

Sunny 90°/63° 💧 None 💨 8 mph

Sunday, Sep 27Sun Sep 27

Sunny 88°/63° 💧 None 💨 7 mph

Monday, Sep 28Mon Sep 28

Sunny 79°/59° 💧 None 💨 7 mph

Tuesday, Sep 29Tue Sep 29

Sunny 54°/54° 💧 None 💨 2 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Jamestown

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Jamestown

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 6:00 PM

PM2.5 Fine particles Good 8,8µg/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 12,2µg/m³

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

O₃ Ozone Moderate 128,8µg/m³

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

NO₂ Nitrogen dioxide Good 2,2µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Jamestown

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 7,0High 😐Moderate

Tomorrow UV 6,7High 😐Moderate

Wednesday UV 7,0High 🙂Fair

Thursday UV 6,0High 😐Moderate

Friday UV 7,0High 😐Moderate

Saturday UV 6,0High —Unavailable

Sunday UV 7,0High —Unavailable

Hourly UV index today

6:00 PMUV 0,4 7:00 PMUV 0,0

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.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed. Dry air can increase hydration needs.

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 Jamestown

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · JAMESTOWN, CALIFORNIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 11:00 PM–12:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 11:00 PM–12:00 AM Astronomical darkness: 8:40 PM–5:14 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 12% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 27° high at the best hour.

✦ Estimated visible meteors 1–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min53%

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

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

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

UPCOMING

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

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

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Forecast data for Jamestown were last refreshed today at 5:34 PM. The current forecast period extends through 16/09/2026 at 3:00 PM. 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.