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Current weather in Jefferson is overcast clouds.

Where can I find the hourly weather forecast for Jefferson?

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

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

Now · 5:27 AM

Jefferson Weather & Hourly Forecast

United States · South Carolina · 29718

65°F

Overcast night

Feels like: 64°F

💧 Humidity 93% 🌡 Pressure 30.09 inHg 💨 Wind 10 mph 👁 Visibility 8.7 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:09 AM 🌇 Sunset 7:18 PM

Hourly Forecast for Jefferson

Today

6:00 AM

Overcast night

65° 💧 0.001 in 💨 10 mph H 92%30.12 inHg

9:00 AM

Overcast

67° 💧 0.000 in 💨 10 mph H 85%30.18 inHg

12:00 PM

Overcast

71° 💧 0.000 in 💨 11 mph H 75%30.18 inHg

3:00 PM

Overcast

74° 💧 0.000 in 💨 10 mph H 69%30.12 inHg

6:00 PM

Overcast

72° 💧 None 💨 11 mph H 72%30.12 inHg

9:00 PM

Overcast night

68° 💧 0.001 in 💨 11 mph H 78%30.15 inHg

Tomorrow

12:00 AM

Overcast night

66° 💧 0.059 in 💨 9 mph H 80%30.15 inHg

3:00 AM

Thunderstorms

62° 💧 0.433 in 💨 9 mph H 98%30.15 inHg

6:00 AM

Light rain

61° 💧 0.050 in 💨 11 mph H 98%30.15 inHg

9:00 AM

Light rain

61° 💧 0.309 in 💨 11 mph H 98%30.18 inHg

12:00 PM

Light rain

63° 💧 0.062 in 💨 11 mph H 95%30.18 inHg

3:00 PM

Light rain

67° 💧 0.019 in 💨 12 mph H 74%30.12 inHg

6:00 PM

Overcast

66° 💧 0.001 in 💨 12 mph H 71%30.12 inHg

9:00 PM

Overcast night

63° 💧 None 💨 11 mph H 75%30.15 inHg

Friday

12:00 AM

Clear night

58° 💧 None 💨 9 mph H 82%30.15 inHg

3:00 AM

Clear night

57° 💧 None 💨 9 mph H 82%30.12 inHg

Today

6:00 AM

Overcast night

65° 💧 0.000 in 💨 10 mph H 92%30.12 inHg

7:00 AM

Overcast night

66° 💧 0.000 in 💨 9 mph H 90%30.12 inHg

8:00 AM

Overcast

66° 💧 None 💨 9 mph H 89%30.15 inHg

9:00 AM

Overcast

67° 💧 0.000 in 💨 10 mph H 85%30.18 inHg

10:00 AM

Overcast

67° 💧 None 💨 11 mph H 83%30.18 inHg

11:00 AM

Overcast

69° 💧 None 💨 11 mph H 79%30.18 inHg

12:00 PM

Overcast

71° 💧 0.000 in 💨 11 mph H 75%30.18 inHg

1:00 PM

Overcast

71° 💧 None 💨 10 mph H 75%30.15 inHg

2:00 PM

Overcast

74° 💧 None 💨 10 mph H 69%30.15 inHg

3:00 PM

Overcast

74° 💧 0.000 in 💨 10 mph H 69%30.12 inHg

4:00 PM

Overcast

74° 💧 None 💨 10 mph H 69%30.12 inHg

5:00 PM

Overcast

73° 💧 None 💨 11 mph H 71%30.12 inHg

6:00 PM

Overcast

72° 💧 None 💨 11 mph H 72%30.12 inHg

7:00 PM

Overcast

70° 💧 None 💨 11 mph H 74%30.15 inHg

8:00 PM

Overcast night

69° 💧 None 💨 10 mph H 77%30.15 inHg

9:00 PM

Overcast night

68° 💧 0.001 in 💨 11 mph H 78%30.15 inHg

10:00 PM

Overcast night

67° 💧 None 💨 11 mph H 78%30.18 inHg

11:00 PM

Overcast night

66° 💧 None 💨 10 mph H 79%30.18 inHg

Tomorrow

12:00 AM

Overcast night

66° 💧 0.001 in 💨 9 mph H 80%30.15 inHg

1:00 AM

Overcast night

65° 💧 0.003 in 💨 8 mph H 82%30.15 inHg

2:00 AM

Light thunderstorms

63° 💧 0.055 in 💨 10 mph H 94%30.15 inHg

3:00 AM

Thunderstorms

62° 💧 0.290 in 💨 9 mph H 98%30.15 inHg

4:00 AM

Thunderstorms

62° 💧 0.107 in 💨 10 mph H 98%30.12 inHg

5:00 AM

Light rain

61° 💧 0.036 in 💨 10 mph H 98%30.12 inHg

6:00 AM

Light rain

61° 💧 0.019 in 💨 11 mph H 98%30.15 inHg

7:00 AM

Light rain

61° 💧 0.017 in 💨 10 mph H 98%30.15 inHg

8:00 AM

Light rain

60° 💧 0.014 in 💨 11 mph H 98%30.18 inHg

9:00 AM

Light rain

61° 💧 0.052 in 💨 11 mph H 98%30.18 inHg

10:00 AM

Moderate rain

61° 💧 0.123 in 💨 8 mph H 98%30.18 inHg

11:00 AM

Moderate rain

62° 💧 0.133 in 💨 10 mph H 98%30.18 inHg

12:00 PM

Light rain

63° 💧 0.049 in 💨 11 mph H 95%30.18 inHg

1:00 PM

Light rain

66° 💧 0.010 in 💨 14 mph H 79%30.15 inHg

2:00 PM

Overcast

67° 💧 0.003 in 💨 13 mph H 74%30.15 inHg

3:00 PM

Light rain

67° 💧 0.008 in 💨 12 mph H 74%30.12 inHg

4:00 PM

Light rain

67° 💧 0.005 in 💨 11 mph H 74%30.12 inHg

5:00 PM

Light rain

66° 💧 0.005 in 💨 11 mph H 74%30.12 inHg

6:00 PM

Overcast

66° 💧 0.001 in 💨 12 mph H 71%30.12 inHg

7:00 PM

Overcast

65° 💧 None 💨 11 mph H 73%30.12 inHg

8:00 PM

Overcast night

63° 💧 None 💨 10 mph H 75%30.15 inHg

9:00 PM

Overcast night

63° 💧 None 💨 11 mph H 75%30.15 inHg

10:00 PM

Clear night

61° 💧 None 💨 10 mph H 76%30.18 inHg

11:00 PM

Clear night

59° 💧 None 💨 9 mph H 81%30.18 inHg

Friday

12:00 AM

Clear night

58° 💧 None 💨 9 mph H 82%30.15 inHg

1:00 AM

Clear night

58° 💧 None 💨 9 mph H 81%30.15 inHg

2:00 AM

Clear night

58° 💧 None 💨 9 mph H 81%30.12 inHg

3:00 AM

Clear night

57° 💧 None 💨 9 mph H 82%30.12 inHg

4:00 AM

Clear night

57° 💧 None 💨 9 mph H 83%30.12 inHg

5:00 AM

Clear night

56° 💧 None 💨 9 mph H 83%30.12 inHg

6:00 AM

Clear night

56° 💧 None 💨 9 mph H 83%30.12 inHg

7:00 AM

Clear night

55° 💧 None 💨 9 mph H 82%30.15 inHg

8:00 AM

Sunny

56° 💧 None 💨 9 mph H 78%30.15 inHg

9:00 AM

Sunny

58° 💧 None 💨 10 mph H 72%30.15 inHg

10:00 AM

Sunny

61° 💧 None 💨 11 mph H 66%30.15 inHg

11:00 AM

Sunny

63° 💧 None 💨 11 mph H 61%30.15 inHg

12:00 PM

Sunny

65° 💧 None 💨 10 mph H 58%30.15 inHg

1:00 PM

Sunny

67° 💧 None 💨 10 mph H 56%30.12 inHg

2:00 PM

Sunny

68° 💧 None 💨 10 mph H 54%30.09 inHg

3:00 PM

Sunny

69° 💧 None 💨 10 mph H 52%30.06 inHg

4:00 PM

Sunny

70° 💧 None 💨 11 mph H 49%30.06 inHg

5:00 PM

Sunny

70° 💧 None 💨 10 mph H 48%30.06 inHg

6:00 PM

Sunny

68° 💧 None 💨 9 mph H 51%30.06 inHg

7:00 PM

Sunny

65° 💧 None 💨 7 mph H 57%30.06 inHg

8:00 PM

Clear night

62° 💧 None 💨 7 mph H 63%30.06 inHg

11:00 PM

Clear night

58° 💧 None 💨 7 mph H 68%30.09 inHg

Saturday

2:00 AM

Mostly clear night

56° 💧 None 💨 7 mph H 71%30.09 inHg

5:00 AM

Mostly clear night

57° 💧 None 💨 9 mph H 69%30.09 inHg

8:00 AM

Sunny

55° 💧 None 💨 9 mph H 71%30.12 inHg

11:00 AM

Sunny

66° 💧 None 💨 10 mph H 54%30.12 inHg

2:00 PM

Sunny

72° 💧 None 💨 10 mph H 44%30.09 inHg

5:00 PM

Sunny

73° 💧 None 💨 10 mph H 42%30.03 inHg

8:00 PM

Clear night

63° 💧 None 💨 6 mph H 62%30.03 inHg

11:00 PM

Partly cloudy night

59° 💧 None 💨 5 mph H 72%30.06 inHg

Sunday

2:00 AM

Partly cloudy night

56° 💧 None 💨 3 mph H 75%30.03 inHg

5:00 AM

Partly cloudy night

53° 💧 None 💨 4 mph H 83%30.03 inHg

8:00 AM

Mostly cloudy

54° 💧 None 💨 5 mph H 81%30.06 inHg

11:00 AM

Mostly sunny

71° 💧 None 💨 5 mph H 44%30.03 inHg

2:00 PM

Mostly sunny

76° 💧 None 💨 7 mph H 35%29.97 inHg

5:00 PM

Sunny

76° 💧 None 💨 7 mph H 35%29.94 inHg

8:00 PM

Clear night

65° 💧 None 💨 7 mph H 58%29.94 inHg

11:00 PM

Clear night

62° 💧 None 💨 2 mph H 60%29.94 inHg

Monday

2:00 AM

Clear night

58° 💧 None 💨 6 mph H 68%29.97 inHg

5:00 AM

Clear night

57° 💧 None 💨 5 mph H 77%29.97 inHg

8:00 AM

Sunny

56° 💧 None 💨 4 mph H 81%30.00 inHg

11:00 AM

Sunny

73° 💧 None 💨 0 mph H 47%30.00 inHg

2:00 PM

Sunny

80° 💧 None 💨 5 mph H 37%29.94 inHg

5:00 PM

Sunny

81° 💧 None 💨 4 mph H 35%29.91 inHg

8:00 PM

Clear night

70° 💧 None 💨 3 mph H 57%29.91 inHg

Tuesday

2:00 AM

Clear night

63° 💧 None 💨 8 mph H 73%30.00 inHg

8:00 AM

Partly cloudy

62° 💧 None 💨 5 mph H 80%30.03 inHg

2:00 PM

Light rain

84° 💧 None 💨 5 mph H 44%30.00 inHg

8:00 PM

Partly cloudy night

73° 💧 None 💨 5 mph H 72%29.97 inHg

Wednesday

2:00 AM

Clear night

67° 💧 None 💨 7 mph H 74%30.03 inHg

8:00 AM

Mostly sunny

65° 💧 None 💨 6 mph H 85%30.06 inHg

2:00 PM

Sunny

84° 💧 None 💨 9 mph H 43%30.00 inHg

8:00 PM

Mostly clear night

75° 💧 None 💨 7 mph H 59%29.94 inHg

Thursday

2:00 AM

Overcast night

71° 💧 None 💨 9 mph H 81%29.94 inHg

8:00 AM

Mostly cloudy

71° 💧 None 💨 10 mph H 95%29.91 inHg

2:00 PM

Heavy rain

74° 💧 None 💨 10 mph H 96%29.85 inHg

8:00 PM

Overcast night

72° 💧 None 💨 8 mph H 99%29.85 inHg

Friday

2:00 AM

Light rain

70° 💧 None 💨 7 mph H 99%29.85 inHg

8:00 AM

Mostly cloudy

69° 💧 None 💨 5 mph H 99%29.88 inHg

2:00 PM

Partly cloudy

79° 💧 None 💨 5 mph H 59%29.85 inHg

8:00 PM

Clear night

69° 💧 None 💨 4 mph H 77%29.88 inHg

Saturday

2:00 AM

Mostly clear night

63° 💧 None 💨 10 mph H 60%29.97 inHg

8:00 AM

Sunny

59° 💧 None 💨 10 mph H 67%30.09 inHg

2:00 PM

Sunny

71° 💧 None 💨 8 mph H 44%30.09 inHg

8:00 PM

Clear night

63° 💧 None 💨 6 mph H 61%30.09 inHg

Sunday

2:00 AM

Clear night

57° 💧 None 💨 7 mph H 72%30.15 inHg

8:00 AM

Sunny

54° 💧 None 💨 7 mph H 78%30.24 inHg

2:00 PM

Partly cloudy

72° 💧 None 💨 6 mph H 44%30.21 inHg

8:00 PM

Mostly clear night

63° 💧 None 💨 7 mph H 62%30.15 inHg

Monday

2:00 AM

Mostly cloudy night

57° 💧 None 💨 5 mph H 77%30.18 inHg

8:00 AM

Mostly cloudy

55° 💧 None 💨 6 mph H 83%30.21 inHg

2:00 PM

Overcast

72° 💧 None 💨 6 mph H 46%30.18 inHg

8:00 PM

Mostly cloudy night

64° 💧 None 💨 5 mph H 62%30.15 inHg

Tuesday

2:00 AM

Clear night

57° 💧 None 💨 4 mph H 78%30.15 inHg

8:00 AM

Sunny

55° 💧 None 💨 5 mph H 83%30.15 inHg

2:00 PM

Sunny

77° 💧 None 💨 4 mph H 44%30.09 inHg

8:00 PM

Clear night

68° 💧 None 💨 1 mph H 64%30.03 inHg

Wednesday

2:00 AM

Clear night

61° 💧 None 💨 6 mph H 78%29.97 inHg

8:00 AM

Sunny

60° 💧 None 💨 7 mph H 80%29.94 inHg

2:00 PM

Sunny

84° 💧 None 💨 7 mph H 41%29.85 inHg

8:00 PM

Clear night

72° 💧 None 💨 7 mph H 60%29.83 inHg

In Jefferson and, more broadly, across the state of South Carolina: This morning, clear skies and warm temperatures will set the tone, with lows around 72 degrees and light southeast winds at up to 4 mph. As the day progresses, temperatures will rise into the upper 80s and low 90s, creating hot conditions. The wind will remain gentle, with occasional gusts reaching 12 mph. An isolated shower is unlikely but cannot be entirely ruled out, with a maximum probability of 25%. Overall, expect a hot and dry day, with plenty of sunshine and light breezes.

15-Day Weather Outlook for Jefferson

TomorrowTomorrow

Light thunderstorms 67°/59° 💧 None 💨 14 mph

Friday, Sep 25Fri Sep 25

Sunny 70°/55° 💧 0.895 in 💨 11 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 73°/55° 💧 0.001 in 💨 10 mph

Sunday, Sep 27Sun Sep 27

Partly cloudy 76°/53° 💧 None 💨 7 mph

Monday, Sep 28Mon Sep 28

Sunny 81°/56° 💧 None 💨 6 mph

Tuesday, Sep 29Tue Sep 29

Light rain 84°/62° 💧 0.113 in 💨 8 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 84°/65° 💧 None 💨 9 mph

Thursday, Oct 1Thu Oct 1

Heavy rain 74°/71° 💧 0.669 in 💨 10 mph

Friday, Oct 2Fri Oct 2

Light rain 79°/69° 💧 0.060 in 💨 7 mph

Saturday, Oct 3Sat Oct 3

Mostly sunny 71°/59° 💧 None 💨 10 mph

Sunday, Oct 4Sun Oct 4

Partly cloudy 72°/54° 💧 None 💨 7 mph

Monday, Oct 5Mon Oct 5

Mostly cloudy 72°/55° 💧 None 💨 6 mph

Tuesday, Oct 6Tue Oct 6

Sunny 77°/55° 💧 None 💨 5 mph

Wednesday, Oct 7Wed Oct 7

Sunny 84°/60° 💧 None 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Jefferson

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Jefferson

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 AM

PM2.5 Fine particles Good 1,9µg/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 2,5µg/m³

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

O₃ Ozone Good 34,1µg/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.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Jefferson

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 2,0Low 😊Good

Tomorrow UV 5,0Moderate 😊Good

Friday UV 6,8High 😐Moderate

Saturday UV 6,9High 😐Moderate

Sunday UV 7,0High 😊Good

Monday UV 7,0High —Unavailable

Tuesday UV 7,0High —Unavailable

Hourly UV index today

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

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

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

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 Jefferson

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · JEFFERSON, SOUTH CAROLINA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

25/100Best-hour score

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

☁ Cloud cover 100% 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 63° 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.

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Forecast data for Jefferson were last refreshed today at 5:27 AM. The current forecast period extends through 25/09/2026 at 3:00 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.