Hourly Weather Forecast - Saint Johns, PA

12 AM
23°F
0%
4mph
SSW
Clear
Humidity
62%
Feels like
18°F
Dew Point
12°F
1 AM
23°F
0%
4mph
SSW
Mostly Clear
Humidity
60%
Feels like
18°F
Dew Point
12°F
2 AM
23°F
0%
4mph
SSW
Partly Cloudy
Humidity
61%
Feels like
18°F
Dew Point
12°F
3 AM
24°F
0%
4mph
SSW
Partly Cloudy
Humidity
61%
Feels like
18°F
Dew Point
12°F
4 AM
25°F
0%
4mph
SSW
Partly Cloudy
Humidity
61%
Feels like
20°F
Dew Point
13°F
5 AM
26°F
0%
4mph
SSW
Partly Cloudy
Humidity
63%
Feels like
21°F
Dew Point
15°F
6 AM
27°F
0%
4mph
SSW
Partly Cloudy
Humidity
66%
Feels like
23°F
Dew Point
18°F
7 AM
29°F
0%
4mph
SSW
Mostly Cloudy
Humidity
63%
Feels like
25°F
Dew Point
18°F
7:23 AM
8 AM
31°F
0%
4mph
SW
Cloudy
Humidity
61%
Feels like
27°F
Dew Point
20°F
9 AM
34°F
0%
5mph
SW
Cloudy
Humidity
60%
Feels like
30°F
Dew Point
22°F
10 AM
37°F
0%
6mph
SW
Cloudy
Humidity
59%
Feels like
32°F
Dew Point
24°F
11 AM
38°F
0%
6mph
WSW
Cloudy
Humidity
60%
Feels like
34°F
Dew Point
26°F
12 PM
39°F
0%
6mph
WSW
Cloudy
Humidity
63%
Feels like
34°F
Dew Point
27°F
1 PM
39°F
0%
6mph
WSW
Cloudy
Humidity
66%
Feels like
34°F
Dew Point
28°F
2 PM
38°F
0%
6mph
W
Cloudy
Humidity
69%
Feels like
34°F
Dew Point
29°F
3 PM
38°F
0%
6mph
W
Cloudy
Humidity
69%
Feels like
33°F
Dew Point
29°F
4 PM
37°F
0%
5mph
W
Cloudy
Humidity
72%
Feels like
33°F
Dew Point
29°F
4:37 PM
5 PM
37°F
0%
5mph
W
Partly Cloudy
Humidity
74%
Feels like
32°F
Dew Point
29°F
6 PM
36°F
0%
5mph
W
Partly Cloudy
Humidity
78%
Feels like
32°F
Dew Point
30°F
7 PM
35°F
10%
5mph
W
Partly Cloudy
Humidity
76%
Feels like
31°F
Dew Point
29°F
8 PM
34°F
0%
4mph
WNW
Partly Cloudy
Humidity
81%
Feels like
31°F
Dew Point
29°F
9 PM
33°F
0%
3mph
WNW
Partly Cloudy
Humidity
82%
Feels like
30°F
Dew Point
28°F
10 PM
32°F
0%
3mph
NW
Partly Cloudy
Humidity
83%
Feels like
32°F
Dew Point
27°F
11 PM
31°F
0%
2mph
NW
Partly Cloudy
Humidity
82%
Feels like
31°F
Dew Point
26°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation 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

Monday'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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