Hourly Weather Forecast - Saint Johns, PA

4 AM
13°F
0%
8mph
WNW
Partly Cloudy
Humidity
66%
Feels like
3°F
Dew Point
4°F
5 AM
14°F
0%
7mph
WNW
Partly Cloudy
Humidity
68%
Feels like
3°F
Dew Point
5°F
6 AM
14°F
0%
6mph
WNW
Mostly Cloudy
Humidity
68%
Feels like
5°F
Dew Point
6°F
7 AM
15°F
0%
6mph
WNW
Partly Cloudy
Humidity
66%
Feels like
6°F
Dew Point
6°F
7:21 AM
8 AM
17°F
0%
6mph
WNW
Partly Cloudy
Humidity
64%
Feels like
8°F
Dew Point
6°F
9 AM
18°F
0%
6mph
WNW
Partly Cloudy
Humidity
62%
Feels like
9°F
Dew Point
7°F
10 AM
19°F
0%
6mph
WNW
Partly Cloudy
Humidity
62%
Feels like
11°F
Dew Point
8°F
11 AM
21°F
0%
6mph
WNW
Mostly Cloudy
Humidity
61%
Feels like
12°F
Dew Point
10°F
12 PM
22°F
0%
7mph
WNW
Cloudy
Humidity
61%
Feels like
13°F
Dew Point
10°F
1 PM
22°F
0%
7mph
WNW
Cloudy
Humidity
64%
Feels like
13°F
Dew Point
11°F
2 PM
22°F
10%
6mph
W
Cloudy
Humidity
66%
Feels like
14°F
Dew Point
12°F
3 PM
21°F
10%
6mph
W
Cloudy
Humidity
67%
Feels like
13°F
Dew Point
12°F
4 PM
20°F
30%
5mph
W
30% Chance of Flurries
Humidity
71%
Feels like
13°F
Dew Point
13°F
4:36 PM
5 PM
20°F
30%
5mph
W
30 % Chance of Heavy Snow
Humidity
75%
Feels like
14°F
Dew Point
14°F
6 PM
20°F
30%
4mph
WSW
30 % Chance of Heavy Snow
Humidity
77%
Feels like
14°F
Dew Point
14°F
7 PM
20°F
30%
4mph
WSW
30% Chance of Snow
Humidity
78%
Feels like
14°F
Dew Point
14°F
8 PM
19°F
10%
4mph
WSW
Partly Cloudy
Humidity
79%
Feels like
14°F
Dew Point
14°F
9 PM
19°F
10%
3mph
SW
Partly Cloudy
Humidity
79%
Feels like
14°F
Dew Point
14°F
10 PM
19°F
10%
3mph
SW
Mostly Cloudy
Humidity
79%
Feels like
14°F
Dew Point
13°F
11 PM
18°F
0%
3mph
SW
Mostly Cloudy
Humidity
76%
Feels like
13°F
Dew Point
12°F

Wind chill temperatures Monday A.M.

Frigid Weather Sends Shivers Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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