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Current weather in Jamestown is clear sky.

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

Now · 6:33 AM

Jamestown Weather & Hourly Forecast

United States · South Carolina · 29453

75°F

Clear night

Feels like: 83°F

💧 Humidity 98% 🌡 Pressure 29.97 inHg 💨 Wind 5 mph 👁 Visibility 10.1 mi ☁ Clouds 8% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Jamestown

Today

7:00 AM

Sunny

75° 💧 None 💨 4 mph H 98%30.00 inHg

10:00 AM

Partly cloudy

83° 💧 0.008 in 💨 4 mph H 79%30.00 inHg

1:00 PM

Light thunderstorms

88° 💧 0.049 in 💨 4 mph H 61%30.00 inHg

4:00 PM

Thunderstorms

78° 💧 0.201 in 💨 3 mph H 97%29.97 inHg

7:00 PM

Mostly cloudy

80° 💧 0.001 in 💨 4 mph H 95%29.91 inHg

10:00 PM

Mostly clear night

77° 💧 0.005 in 💨 5 mph H 98%30.00 inHg

Tomorrow

1:00 AM

Light rain

74° 💧 0.061 in 💨 5 mph H 99%30.00 inHg

4:00 AM

Partly cloudy night

73° 💧 0.008 in 💨 4 mph H 99%29.97 inHg

7:00 AM

Partly cloudy

73° 💧 0.002 in 💨 3 mph H 99%30.00 inHg

10:00 AM

Overcast

79° 💧 0.002 in 💨 3 mph H 88%30.03 inHg

1:00 PM

Strong thunderstorm

88° 💧 0.214 in 💨 3 mph H 64%30.03 inHg

4:00 PM

Light rain

80° 💧 0.113 in 💨 5 mph H 95%29.97 inHg

7:00 PM

Light rain

78° 💧 0.012 in 💨 5 mph H 97%29.97 inHg

10:00 PM

Mostly cloudy night

76° 💧 None 💨 5 mph H 98%30.03 inHg

Sunday

1:00 AM

Overcast night

75° 💧 None 💨 4 mph H 99%30.03 inHg

4:00 AM

Partly cloudy night

74° 💧 0.000 in 💨 3 mph H 100%29.97 inHg

Today

7:00 AM

Sunny

75° 💧 None 💨 4 mph H 98%30.00 inHg

8:00 AM

Partly cloudy

78° 💧 None 💨 5 mph H 92%30.03 inHg

9:00 AM

Mostly sunny

80° 💧 None 💨 6 mph H 85%30.00 inHg

10:00 AM

Partly cloudy

83° 💧 0.002 in 💨 4 mph H 79%30.00 inHg

11:00 AM

Mostly cloudy

85° 💧 0.003 in 💨 3 mph H 72%30.00 inHg

12:00 PM

Light thunderstorms

88° 💧 0.003 in 💨 4 mph H 66%30.00 inHg

1:00 PM

Light thunderstorms

88° 💧 0.003 in 💨 4 mph H 61%30.00 inHg

2:00 PM

Light thunderstorms

83° 💧 0.026 in 💨 8 mph H 79%30.00 inHg

3:00 PM

Light thunderstorms

84° 💧 0.020 in 💨 7 mph H 79%29.97 inHg

4:00 PM

Thunderstorms

78° 💧 0.173 in 💨 3 mph H 97%29.97 inHg

5:00 PM

Light rain

80° 💧 0.025 in 💨 4 mph H 95%29.94 inHg

6:00 PM

Overcast

80° 💧 0.004 in 💨 5 mph H 95%29.91 inHg

7:00 PM

Mostly cloudy

80° 💧 0.000 in 💨 4 mph H 95%29.91 inHg

8:00 PM

Mostly cloudy night

78° 💧 0.000 in 💨 3 mph H 97%29.94 inHg

9:00 PM

Partly cloudy night

77° 💧 None 💨 4 mph H 98%29.97 inHg

10:00 PM

Mostly clear night

77° 💧 None 💨 5 mph H 98%30.00 inHg

11:00 PM

Partly cloudy night

76° 💧 0.000 in 💨 5 mph H 99%30.00 inHg

Tomorrow

12:00 AM

Light rain

75° 💧 0.004 in 💨 3 mph H 97%30.00 inHg

1:00 AM

Light rain

74° 💧 0.020 in 💨 5 mph H 99%30.00 inHg

2:00 AM

Light rain

73° 💧 0.022 in 💨 5 mph H 99%30.00 inHg

3:00 AM

Light rain

73° 💧 0.018 in 💨 3 mph H 99%29.97 inHg

4:00 AM

Partly cloudy night

73° 💧 0.002 in 💨 4 mph H 99%29.97 inHg

5:00 AM

Mostly cloudy night

73° 💧 0.002 in 💨 4 mph H 99%29.97 inHg

6:00 AM

Light rain

73° 💧 0.004 in 💨 4 mph H 99%30.00 inHg

7:00 AM

Partly cloudy

73° 💧 0.002 in 💨 3 mph H 99%30.00 inHg

8:00 AM

Partly cloudy

74° 💧 None 💨 3 mph H 99%30.03 inHg

9:00 AM

Mostly cloudy

76° 💧 0.000 in 💨 3 mph H 95%30.03 inHg

10:00 AM

Overcast

79° 💧 None 💨 3 mph H 88%30.03 inHg

11:00 AM

Overcast

82° 💧 0.001 in 💨 2 mph H 80%30.06 inHg

12:00 PM

Overcast

86° 💧 0.001 in 💨 2 mph H 71%30.06 inHg

1:00 PM

Strong thunderstorm

88° 💧 0.002 in 💨 3 mph H 64%30.03 inHg

2:00 PM

Thunderstorms

79° 💧 0.114 in 💨 10 mph H 89%30.03 inHg

3:00 PM

Light thunderstorms

77° 💧 0.098 in 💨 5 mph H 99%30.00 inHg

4:00 PM

Light rain

80° 💧 0.023 in 💨 5 mph H 95%29.97 inHg

5:00 PM

Light rain

79° 💧 0.040 in 💨 6 mph H 95%29.97 inHg

6:00 PM

Light rain

79° 💧 0.050 in 💨 4 mph H 98%29.97 inHg

7:00 PM

Light rain

78° 💧 0.005 in 💨 5 mph H 97%29.97 inHg

8:00 PM

Light rain

77° 💧 0.007 in 💨 5 mph H 98%30.00 inHg

9:00 PM

Overcast night

76° 💧 0.001 in 💨 5 mph H 98%30.00 inHg

10:00 PM

Mostly cloudy night

76° 💧 None 💨 5 mph H 98%30.03 inHg

11:00 PM

Mostly cloudy night

76° 💧 None 💨 5 mph H 99%30.03 inHg

Sunday

12:00 AM

Overcast night

75° 💧 None 💨 5 mph H 99%30.03 inHg

1:00 AM

Overcast night

75° 💧 None 💨 4 mph H 99%30.03 inHg

2:00 AM

Mostly cloudy night

75° 💧 None 💨 4 mph H 99%30.00 inHg

3:00 AM

Mostly cloudy night

75° 💧 None 💨 2 mph H 99%30.00 inHg

4:00 AM

Partly cloudy night

74° 💧 None 💨 3 mph H 100%29.97 inHg

5:00 AM

Mostly cloudy night

74° 💧 0.000 in 💨 4 mph H 100%30.00 inHg

6:00 AM

Overcast night

74° 💧 None 💨 4 mph H 99%30.00 inHg

7:00 AM

Partly cloudy night

75° 💧 0.001 in 💨 4 mph H 99%30.00 inHg

8:00 AM

Mostly cloudy

76° 💧 0.001 in 💨 3 mph H 98%30.03 inHg

11:00 AM

Mostly cloudy

82° 💧 None 💨 2 mph H 84%30.03 inHg

2:00 PM

Overcast

89° 💧 None 💨 4 mph H 61%29.97 inHg

5:00 PM

Moderate rain

81° 💧 None 💨 3 mph H 92%29.94 inHg

8:00 PM

Mostly clear night

76° 💧 None 💨 3 mph H 99%29.97 inHg

11:00 PM

Mostly clear night

76° 💧 None 💨 5 mph H 99%30.00 inHg

Monday

2:00 AM

Moderate rain

74° 💧 None 💨 5 mph H 100%30.00 inHg

5:00 AM

Partly cloudy night

74° 💧 None 💨 2 mph H 100%30.00 inHg

8:00 AM

Mostly cloudy

76° 💧 None 💨 3 mph H 99%30.03 inHg

11:00 AM

Partly cloudy

83° 💧 None 💨 3 mph H 82%30.06 inHg

2:00 PM

Overcast

90° 💧 None 💨 4 mph H 60%30.00 inHg

5:00 PM

Light rain

82° 💧 None 💨 5 mph H 83%30.00 inHg

8:00 PM

Clear night

78° 💧 None 💨 2 mph H 94%30.03 inHg

11:00 PM

Clear night

76° 💧 None 💨 3 mph H 97%30.09 inHg

Tuesday

2:00 AM

Mostly clear night

75° 💧 None 💨 5 mph H 98%30.09 inHg

5:00 AM

Mostly clear night

74° 💧 None 💨 6 mph H 99%30.09 inHg

8:00 AM

Partly cloudy

75° 💧 None 💨 7 mph H 96%30.15 inHg

11:00 AM

Partly cloudy

84° 💧 None 💨 8 mph H 69%30.21 inHg

2:00 PM

Overcast

89° 💧 None 💨 9 mph H 53%30.18 inHg

5:00 PM

Overcast

85° 💧 None 💨 8 mph H 61%30.15 inHg

8:00 PM

Mostly clear night

78° 💧 None 💨 6 mph H 76%30.18 inHg

11:00 PM

Clear night

75° 💧 None 💨 6 mph H 87%30.21 inHg

Wednesday

2:00 AM

Clear night

74° 💧 None 💨 6 mph H 89%30.18 inHg

5:00 AM

Clear night

72° 💧 None 💨 6 mph H 94%30.18 inHg

8:00 AM

Sunny

73° 💧 None 💨 6 mph H 87%30.21 inHg

2:00 PM

Sunny

86° 💧 None 💨 8 mph H 39%30.21 inHg

8:00 PM

Clear night

75° 💧 None 💨 6 mph H 73%30.18 inHg

Thursday

2:00 AM

Clear night

70° 💧 None 💨 6 mph H 87%30.21 inHg

8:00 AM

Mostly sunny

70° 💧 None 💨 7 mph H 83%30.21 inHg

2:00 PM

Mostly sunny

86° 💧 None 💨 10 mph H 46%30.18 inHg

8:00 PM

Mostly clear night

77° 💧 None 💨 5 mph H 75%30.15 inHg

Friday

2:00 AM

Partly cloudy night

74° 💧 None 💨 5 mph H 88%30.15 inHg

8:00 AM

Sunny

74° 💧 None 💨 5 mph H 90%30.12 inHg

2:00 PM

Light thunderstorms

83° 💧 None 💨 6 mph H 76%30.06 inHg

8:00 PM

Mostly clear night

78° 💧 None 💨 5 mph H 94%30.00 inHg

Saturday

2:00 AM

Mostly clear night

74° 💧 None 💨 3 mph H 98%30.00 inHg

8:00 AM

Overcast

75° 💧 None 💨 2 mph H 98%30.03 inHg

2:00 PM

Partly cloudy

89° 💧 None 💨 3 mph H 54%29.94 inHg

8:00 PM

Partly cloudy night

78° 💧 None 💨 7 mph H 89%29.91 inHg

Sunday

2:00 AM

Mostly cloudy night

74° 💧 None 💨 4 mph H 98%29.88 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 4 mph H 99%29.91 inHg

2:00 PM

Overcast

86° 💧 None 💨 5 mph H 64%29.85 inHg

8:00 PM

Mostly clear night

76° 💧 None 💨 6 mph H 96%29.80 inHg

Monday

2:00 AM

Light rain

72° 💧 None 💨 4 mph H 99%29.80 inHg

8:00 AM

Mostly cloudy

73° 💧 None 💨 6 mph H 99%29.88 inHg

2:00 PM

Overcast

80° 💧 None 💨 10 mph H 56%29.91 inHg

8:00 PM

Overcast night

74° 💧 None 💨 10 mph H 52%29.97 inHg

Tuesday

2:00 AM

Overcast night

68° 💧 None 💨 12 mph H 56%30.03 inHg

8:00 AM

Overcast

64° 💧 None 💨 12 mph H 60%30.09 inHg

2:00 PM

Overcast

74° 💧 None 💨 14 mph H 49%30.09 inHg

8:00 PM

Overcast night

70° 💧 None 💨 13 mph H 57%30.12 inHg

Wednesday

2:00 AM

Mostly cloudy night

63° 💧 None 💨 13 mph H 65%30.15 inHg

8:00 AM

Mostly sunny

61° 💧 None 💨 13 mph H 68%30.15 inHg

2:00 PM

Overcast

75° 💧 None 💨 16 mph H 53%30.09 inHg

8:00 PM

Overcast night

71° 💧 None 💨 15 mph H 60%30.09 inHg

Thursday

2:00 AM

Heavy rain

61° 💧 None 💨 15 mph H 98%30.03 inHg

8:00 AM

Moderate rain

61° 💧 None 💨 15 mph H 99%29.97 inHg

2:00 PM

Moderate rain

63° 💧 None 💨 17 mph H 99%29.94 inHg

8:00 PM

Moderate rain

62° 💧 None 💨 16 mph H 99%29.88 inHg

Friday

2:00 AM

Light rain

59° 💧 None 💨 15 mph H 98%29.83 inHg

8:00 AM

Overcast

57° 💧 None 💨 11 mph H 98%29.80 inHg

In Jamestown and, more broadly, across the state of South Carolina: This morning will start with mostly cloudy skies and hot temperatures, ranging from the mid-75s to the upper 80s. Expect light south winds at around 7 mph, with occasional gusts reaching 17 mph. As the day progresses, the weather will stay warm and humid, with temperatures reaching near 90 degrees. There is a high likelihood of rain, with an average accumulation of about 0.05 inches, mainly in the afternoon. Winds will remain light, but gusts could briefly increase during rain showers. Overall, plan for a warm, humid day with the chance of brief, light rain, especially later in the day.

15-Day Weather Outlook for Jamestown

Friday, Sep 11Fri Sep 11

Light thunderstorms 88°/75° 💧 None 💨 8 mph

TomorrowTomorrow

Strong thunderstorm 88°/73° 💧 None 💨 10 mph

Sunday, Sep 13Sun Sep 13

Moderate rain 89°/74° 💧 1.030 in 💨 5 mph

Monday, Sep 14Mon Sep 14

Moderate rain 90°/74° 💧 0.381 in 💨 5 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 89°/74° 💧 0.010 in 💨 9 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 86°/72° 💧 None 💨 8 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 86°/70° 💧 None 💨 10 mph

Friday, Sep 18Fri Sep 18

Light thunderstorms 83°/74° 💧 0.051 in 💨 6 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 89°/74° 💧 0.084 in 💨 5 mph

Sunday, Sep 20Sun Sep 20

Overcast 86°/72° 💧 0.201 in 💨 7 mph

Monday, Sep 21Mon Sep 21

Light rain 80°/72° 💧 0.223 in 💨 10 mph

Tuesday, Sep 22Tue Sep 22

Overcast 74°/64° 💧 None 💨 14 mph

Wednesday, Sep 23Wed Sep 23

Overcast 75°/61° 💧 None 💨 16 mph

Thursday, Sep 24Thu Sep 24

Heavy rain 71°/61° 💧 3.132 in 💨 17 mph

Friday, Sep 25Fri Sep 25

Moderate rain 62°/57° 💧 1.057 in 💨 16 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

Good

Nearest forecast value 7:00 AM

PM2.5 Fine particles Good 3,9µg/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 4,9µg/m³

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

O₃ Ozone Good 40,2µg/m³

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

NO₂ Nitrogen dioxide Good 2,9µg/m³

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

Air quality is favorable for outdoor activities.

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 7,9High 😊Good

Tomorrow UV 8,4Very high 🙂Fair

Sunday UV 8,1Very high 🙂Fair

Monday UV 8,3Very high 🙂Fair

Tuesday UV 8,0Very high 🙂Fair

Wednesday UV 8,0Very high —Unavailable

Thursday UV 8,0Very high —Unavailable

Hourly UV index today

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

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

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 Jamestown

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · JAMESTOWN, SOUTH CAROLINA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 10:00 PM–11:00 PM.

75/100Best-hour score

BEST TIME TONIGHT 10:00 PM–11:00 PM Astronomical darkness: 8:54 PM–5:36 AM

☁ Cloud cover 27% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 10° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min19%

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.

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Forecast data for Jamestown were last refreshed today at 7:38 PM. The current forecast period extends through 13/09/2026 at 4:00 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.