FORECAST CITY
Sign in
Shaded-relief atlas plate of Jefferson, Pennsylvania: rivers, roads, the city limits and where the water drains.
PENNSYLVANIA · SOMERSET COUNTY

Jefferson

1,400 people, in Somerset County.

1,400People, 2024 estimate
41 sq miLand area
Sunny 63°
Sunny now Dew point 55° · Calm · high 66°
City of Jefferson River Interstate 2 miles
Explore the plate Order a print

The Jefferson plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.

MILE1
TODAY

Today in Jefferson

NWS forecast and National Blend of Models · updated 2:00 PM EDT
RIGHT NOW Somerset County Airport (K2G9) · 2:55 PM
Sunny
63° Sunny Feels like 63° · high of 66° near 3 PM
WindCalmno gusts
Humidity77%rising to 100% by morning
Pressure30.10 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 55° · Comfortableabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Rain
Friday70% chance · showers
LIKELY AMOUNT—amounts come within 3 days
LAST RAINSept. 280.1 in · 1 dry day
ALERTS & OUTLOOKS
No watches or warnings for Somerset County
NWS State College and the Storm Prediction Center · checked 3:21 PM
SUN & MOON
↑ 7:11 AM7:03 PM ↓
11 h 52 m of daylight, 3 minutes less than yesterday
Waning gibbous, 89% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
29
GOODAir quality index · fine particles
Tomorrow: 48, good. No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
TUESDAY, SEPT. 29
WEDNESDAY, SEPT. 30
THURSDAY, OCT. 1
FRIDAY, OCT. 2
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
mostly cloudy day
partly cloudy night
mostly clear night
mostly clear night
fog
fog
partly cloudy day
partly cloudy day
partly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy night
partly cloudy day
partly cloudy day
partly cloudy day
partly cloudy day
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy day
partly cloudy day
mostly cloudy day
TEMPERATURE °F
66°
52°
73°
59°
75°
63°
CHANCE OF RAIN
50%
WIND, MPH
3
1
0
0
0
1
2
6
5
3
2
2
3
4
6
9
9
7
6
6
7
9
12
13
HOW IT FEELS · DEW POINT
Comfortable: dew points 52 to 58° ↑ Humid air returns More humid: 63° by Friday

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 80° / 62°
TUE Sept. 29 Mostly cloudy Mostly cloudy
66° 51°
0% rain — NNW 3 A
WED Sept. 30 Partly cloudy; warmer Partly cloudy; warmer
74° 59°
10% rain — SW 4 A
THU Oct. 1 Partly cloudy Partly cloudy
76° 62°
10% rain — WSW 7 B
FRI Oct. 2 Showers likely Showers likely
75° 51°
70% rain 0.1–0.4″ NW 8 B
SAT Oct. 3 Chance of showers; cooler Chance of showers; cooler
64° 50°
40% rain up to 0.4″ ESE 5 B
SUN Oct. 4 Chance of showers Chance of showers
63° 45°
40% rain up to 0.7″ W 5 C
MON Oct. 5 Mostly sunny Mostly sunny
59° 38°
0% rain — NNW 6 C
How sure are we? AModels agree: highs within 4° BSome spread: within 8° CWide spread: check back
Range from the National Blend of Models percentiles · graded on Forecast Scores
AIR MAIL

Where today’s air came from

MILE7
ON THE NETWORK

Around Jefferson on the Forecast Network

Neighboring plates

Hempfield PA · 24 MI 24 miles northwest North Huntingdon PA · 32 MI 32 miles northwest Washington DC · 143 MI 143 miles southeast Baltimore MD · 149 MI 149 miles east Cleveland OH · 161 MI 161 miles northwest Columbus OH · 199 MI 199 miles west
FORECASTCITY
Atlas plate of Jefferson, Pennsylvania. Explore the plate
PENNSYLVANIA · SOMERSET

Jefferson

1,400 people, in Somerset County.

1,400People
41 sq miLand
Sunny 63°
SunnyDew point 55°
1

Today in Jefferson

NEXT 15 HOURS
Now mostly cloudy day 66° 0%
6p partly cloudy day 64° 0%
9p mostly clear night 57° 0%
12a mostly clear night 54° 0%
3a fog 52° 0%
6a fog 52° 0%
Rain
NEXT RAINFriday · 70%
→
Tue0%
Mostly cloudy Mostly cloudy
51
66
A
Wed10%
Partly cloudy; warmer Partly cloudy; warmer
59
74
A
Thu10%
Partly cloudy Partly cloudy
62
76
B
Fri70%
Showers likely Showers likely
51
75
B
Sat40%
Chance of showers; cooler Chance of showers; cooler
50
64
B
Sun40%
Chance of showers Chance of showers
45
63
C
Mon0%
Mostly sunny Mostly sunny
38
59
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
·