Hourly Weather Forecast - Saint Johns, PA

12 AM
20°F
0%
7mph
WNW
Mostly Cloudy
Humidity
55%
Feels like
11°F
Dew Point
7°F
1 AM
19°F
0%
7mph
WNW
Mostly Cloudy
Humidity
55%
Feels like
10°F
Dew Point
6°F
2 AM
19°F
0%
6mph
WNW
Partly Cloudy
Humidity
56%
Feels like
10°F
Dew Point
6°F
3 AM
18°F
10%
6mph
WNW
Partly Cloudy
Humidity
56%
Feels like
9°F
Dew Point
5°F
4 AM
17°F
10%
6mph
WNW
Partly Cloudy
Humidity
55%
Feels like
9°F
Dew Point
4°F
5 AM
17°F
10%
5mph
WNW
Partly Cloudy
Humidity
57%
Feels like
9°F
Dew Point
4°F
6 AM
16°F
10%
5mph
WNW
Partly Cloudy
Humidity
59%
Feels like
9°F
Dew Point
4°F
7 AM
17°F
10%
5mph
WNW
Partly Cloudy
Humidity
59%
Feels like
9°F
Dew Point
5°F
7:24 AM
8 AM
18°F
10%
4mph
WNW
Partly Cloudy
Humidity
57%
Feels like
11°F
Dew Point
5°F
9 AM
20°F
20%
4mph
WSW
Mostly Sunny
Humidity
53%
Feels like
14°F
Dew Point
6°F
10 AM
22°F
20%
4mph
SW
Mostly Sunny
Humidity
52%
Feels like
16°F
Dew Point
7°F
11 AM
23°F
20%
4mph
SSW
Mostly Sunny
Humidity
51%
Feels like
18°F
Dew Point
8°F
12 PM
25°F
20%
4mph
SSW
Mostly Sunny
Humidity
50%
Feels like
19°F
Dew Point
9°F
1 PM
25°F
10%
4mph
SSW
Partly Cloudy
Humidity
51%
Feels like
20°F
Dew Point
10°F
2 PM
26°F
10%
5mph
SSW
Partly Cloudy
Humidity
53%
Feels like
20°F
Dew Point
11°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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