current weather for Jefferson County (United State)
Jefferson County is located near Mount Vernon at 2mi↑, Summersville at 4mi↑, Ina at 10mi↑, Sesser at 16mi↑, Wamac at 18mi↑,
Elevation : 522ft
currently : 52°F sky clear at Jefferson County

The current temperature is 52°F, the felt temperature is 52°F.
Wind direction from North East with a speed of 3mph with gusts at 3mph.
The air is extremely humid : relative air humidity is 81 %.
Pressure is 30inHg : anticyclonic regime, a harbinger of good weather even if mists can appear in the morning and persist because the wind remains weak.
weather last updated 11920 minutes
Sunset in 7h57 and the sun rises in 19h55. The day lasts 13h57.
For more details on weather observations and short-term forecasts, see the aeronautical weather provided by Mt. Vernon Outland airport.
sky clear at Jefferson County

aerial view of Jefferson County
Coming to Jefferson County
Hotels : book on Hotels.com Booking Expedia
Taxi : book on Taxi Booking
Rent a car : book on Rentalcars
By train : book on Trip.com
- Centralia, IL train station at 19mi
- Du Quoin, IL train station at 26mi
- Carbondale, IL train station at 43mi
By plane :
- Centralia Municipal airport at 17mi : book on Trip.com
- Salem Leckrone airport at 24mi : book on Trip.com
- Williamson County Regional airport at 38mi : book on Trip.com
Weather forecast for Jefferson County (United State)
Friday, October 10, 2025
Sky will be covered by cloud a large part of the night and the day will be dominated by the sun.
the temperature will range from 54°F to 79°F
wind speed up to 9mph
9h
53°F

Sky clear
The air is very humid : relative air humidity is 74 %.
pressure is 30inHg
Wind direction from East 4mph with gusts at 4mph
12h
61°F

Sky clear
The air is humid : relative air humidity is 51 %.
pressure is 30inHg
Wind direction from East 5mph with gusts at 6mph
15h
77°F

Sky clear
The air is a little humid : relative air humidity is 35 %.
pressure is 30inHg
Wind direction from East 5mph with gusts at 4mph
18h
78°F

Sky clear
The air is a little humid : relative air humidity is 36 %.
pressure is 30inHg
Wind direction from East 5mph with gusts at 5mph
21h
66°F

Scattered clouds
The air is humid : relative air humidity is 53 %.
pressure is 30inHg
Wind direction from South East 8mph with gusts at 9mph
Saturday, October 11, 2025
Sky will be clear all night long and the day will be dominated by the sun.
the temperature will range from 54°F to 77°F
wind speed up to 13mph
0h
61°F

Sky clear
The air is very humid : relative air humidity is 61 %.
pressure is 30inHg
Wind direction from South 6mph with gusts at 6mph
3h
58°F

Sky clear
The air is very humid : relative air humidity is 68 %.
pressure is 30inHg
Wind direction from East 5mph with gusts at 5mph
6h
55°F

Sky clear
The air is very humid : relative air humidity is 73 %.
pressure is 30inHg
Wind direction from East 5mph with gusts at 5mph
9h
53°F

Sky clear
The air is extremely humid : relative air humidity is 84 %.
pressure is 30inHg
Wind direction from South East 4mph with gusts at 4mph
12h
67°F

Sky clear
The air is humid : relative air humidity is 57 %.
pressure is 30inHg
Wind direction from South East 5mph with gusts at 6mph
15h
76°F

Sky clear
The air is a little humid : relative air humidity is 39 %.
pressure is 30inHg
Wind direction from South East 6mph with gusts at 5mph
18h
78°F

Sky clear
The air is a little humid : relative air humidity is 33 %.
pressure is 30inHg
Wind direction from South East 7mph with gusts at 6mph
21h
65°F

Sky clear
The air is humid : relative air humidity is 55 %.
pressure is 30inHg
Wind direction from South East 8mph with gusts at 13mph
Sunday, October 12, 2025
Sky will be clear all night long and the day will be very cloudy with may be a small apparition of the sun
the temperature will range from 54°F to 81°F
wind speed up to 9mph
0h
61°F

Sky clear
The air is very humid : relative air humidity is 67 %.
pressure is 30inHg
Wind direction from South East 7mph with gusts at 9mph
3h
58°F

Sky clear
The air is very humid : relative air humidity is 75 %.
pressure is 30inHg
Wind direction from South East 5mph with gusts at 5mph
6h
56°F

Few clouds
The air is extremely humid : relative air humidity is 81 %.
pressure is 30inHg
Wind direction from South East 4mph with gusts at 4mph
9h
54°F

Few clouds
The air is extremely humid : relative air humidity is 85 %.
pressure is 30inHg
Wind direction from South East 4mph with gusts at 4mph
12h
68°F

Scattered clouds
The air is humid : relative air humidity is 53 %.
pressure is 30inHg
Wind direction from South East 5mph with gusts at 4mph
15h
78°F

Scattered clouds
The air is a little humid : relative air humidity is 35 %.
pressure is 30inHg
Wind direction from South East 4mph with gusts at 3mph
18h
81°F

Few clouds
The air is a little humid : relative air humidity is 32 %.
pressure is 30inHg
Wind direction from North East 3mph with gusts at 4mph
21h
70°F

Scattered clouds
The air is moderately humid : relative air humidity is 45 %.
pressure is 30inHg
Wind direction from East 6mph with gusts at 7mph
Monday, October 13, 2025
Sky will be clear all night long and the day will be very cloudy with may be a small apparition of the sun
the temperature will range from 61°F to 81°F
wind speed up to 9mph
0h
65°F

Sky clear
The air is humid : relative air humidity is 53 %.
pressure is 30inHg
Wind direction from East 4mph with gusts at 4mph
3h
63°F

Sky clear
The air is humid : relative air humidity is 58 %.
pressure is 30inHg
Wind direction from North East 5mph with gusts at 5mph
6h
61°F

Few clouds
The air is humid : relative air humidity is 58 %.
pressure is 30inHg
Wind direction from North East 5mph with gusts at 5mph
9h
64°F

Scattered clouds
The air is humid : relative air humidity is 50 %.
pressure is 30inHg
Wind direction from North East 5mph with gusts at 10mph
12h
70°F

Overcast
The air is a little humid : relative air humidity is 39 %.
pressure is 30inHg
Wind direction from North East 6mph with gusts at 8mph
15h
79°F

Broken clouds
The air is a little humid : relative air humidity is 32 %.
pressure is 30inHg
Wind direction from North East 6mph with gusts at 7mph
18h
80°F

Few clouds
The air is a little humid : relative air humidity is 34 %.
pressure is 30inHg
Wind direction from North East 7mph with gusts at 7mph
21h
70°F

Few clouds
The air is moderately humid : relative air humidity is 46 %.
pressure is 30inHg
Wind direction from North 5mph with gusts at 4mph
Tuesday, October 14, 2025
Sky will be covered with cloud all the night and the day will be cloudy from morning to evening.
the temperature will range from 61°F to 72°F
wind speed up to 21mph
0h
71°F

Overcast
The air is moderately humid : relative air humidity is 47 %.
pressure is 30inHg
Wind direction from North 6mph with gusts at 9mph
3h
65°F

Broken clouds
The air is moderately humid : relative air humidity is 49 %.
pressure is 30inHg
Wind direction from North East 9mph with gusts at 21mph
6h
62°F

Broken clouds
The air is moderately humid : relative air humidity is 46 %.
pressure is 30inHg
Wind direction from North East 9mph with gusts at 19mph
9h
61°F

Overcast
The air is moderately humid : relative air humidity is 46 %.
pressure is 30inHg
Wind direction from North East 9mph with gusts at 18mph
12h
61°F

Overcast
The air is moderately humid : relative air humidity is 42 %.
pressure is 30inHg
Wind direction from North East 9mph with gusts at 15mph
15h
66°F

Overcast
The air is a little humid : relative air humidity is 37 %.
pressure is 30inHg
Wind direction from North East 10mph with gusts at 11mph
18h
69°F

Overcast
The air is a little humid : relative air humidity is 30 %.
pressure is 30inHg
Wind direction from North East 10mph with gusts at 12mph
21h
64°F

Overcast
The air is a little humid : relative air humidity is 33 %.
pressure is 30inHg
Wind direction from North East 6mph with gusts at 12mph
Wednesday, October 15, 2025
Sky will be clear all night long and the day will be cloudy from morning to evening.
the temperature will range from 50°F to 55°F
wind speed up to 21mph
0h
56°F

Few clouds
The air is moderately humid : relative air humidity is 41 %.
pressure is 30inHg
Wind direction from North East 8mph with gusts at 21mph
3h
53°F

Few clouds
The air is moderately humid : relative air humidity is 45 %.
pressure is 30inHg
Wind direction from North East 7mph with gusts at 17mph
6h
51°F

Sky clear
The air is humid : relative air humidity is 55 %.
pressure is 30inHg
Wind direction from North East 7mph with gusts at 14mph
Weather observation and forecast provided by OpenWeatherMap under CC BY-SA 4.0 license amended by aviation weather data.
near
- Hotels in Jefferson County
- Renaissance Philadelphia Downtown Hotel (Philadelphia) at 747mi↑
- MoMA (New York) at 814mi↑
- Guggenheim Museum Bilbao (Bilbao) at 4305mi↑
- Hotel NH Collection San Sebastián Aránzazu (San Sebastián) at 4345mi↑
- Sercotel Codina (San Sebastian) at 4345mi↑
- Aquarium de Donostia-San Sebastián (San Sebastian) at 4345mi↑
- Hotel de Londres y de Inglaterra (San Sebastian) at 4346mi↑
- for St. Mary's Good Samaritan airport at 0mi↑
- for St. Mary's Good Samaritan airport at 0mi↑
- for Crossroads Community Hospital airport at 1mi↑
Weather news
Saturday, May 8, 2021

News
Weather alert for thunderstorms and strong winds in the southwest
Météo-France has placed the southwest on orange alert for strong winds and thunderstorms. The winds have already begun to gust early this afternoon. But the worst is yet to come.
Tuesday, October 20, 2020

News
Alerte orange sur les Hautes-Pyrénées, la tempête Barbara arrive
Le vent a commencé à souffler sur la façade ouest avec des vents à près de 200 km/h. Ce n'est que le début et Météo France a émis un bulletin d'alerte orange pour vent violent sur les…
Monday, October 19, 2020

News
La tempête Barbara souffle à plus de 150 km/h sur les Hautes-Pyrénées
Le vent a commencé à souffler sur la façade ouest avec des vents à près de 200 km/h. Ce n'est que le début et Météo France a émis un bulletin d'alerte orange pour vent violent sur les…
Sunday, May 10, 2020

News
Landes goes on red alert, Hautes-Pyrénées remains on orange alert
The heavy rains that began yesterday across the southwest will continue today with a red alert bulletin for the Landes and an orange alert for the departments ranging from Charentes-Maritimes to the…