Hourly Weather Forecast - Sycamore, PA

12 AM
17°F
0%
4mph
WSW
Mostly Cloudy
Humidity
79%
Feels like
11°F
Dew Point
11°F
1 AM
16°F
0%
3mph
SW
Partly Cloudy
Humidity
82%
Feels like
11°F
Dew Point
11°F
2 AM
16°F
0%
3mph
SSW
Partly Cloudy
Humidity
83%
Feels like
16°F
Dew Point
12°F
3 AM
16°F
10%
3mph
S
Partly Cloudy
Humidity
82%
Feels like
10°F
Dew Point
11°F
4 AM
16°F
10%
4mph
S
Mostly Clear
Humidity
81%
Feels like
10°F
Dew Point
11°F
5 AM
17°F
10%
4mph
S
Mostly Clear
Humidity
80%
Feels like
11°F
Dew Point
12°F
6 AM
18°F
30%
4mph
SSE
30 % Chance of Heavy Snow
Humidity
78%
Feels like
12°F
Dew Point
13°F
7 AM
20°F
20%
5mph
SSE
Partly Cloudy
Humidity
76%
Feels like
13°F
Dew Point
13°F
7:38 AM
8 AM
22°F
20%
5mph
SSE
Partly Cloudy
Humidity
72%
Feels like
15°F
Dew Point
15°F
9 AM
25°F
20%
6mph
S
Partly Cloudy
Humidity
67%
Feels like
18°F
Dew Point
16°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

Sunday 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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