Hourly Weather Forecast - Mount Rainier, MD

12 AM
32°F
10%
3mph
S
Mostly Cloudy
Humidity
61%
Feels like
32°F
Dew Point
20°F
1 AM
32°F
10%
3mph
S
Partly Cloudy
Humidity
60%
Feels like
32°F
Dew Point
20°F
2 AM
32°F
10%
3mph
S
Partly Cloudy
Humidity
60%
Feels like
30°F
Dew Point
20°F
3 AM
33°F
10%
3mph
S
Mostly Cloudy
Humidity
60%
Feels like
29°F
Dew Point
20°F
4 AM
33°F
10%
4mph
S
Cloudy
Humidity
61%
Feels like
30°F
Dew Point
21°F
5 AM
34°F
20%
4mph
S
Cloudy
Humidity
61%
Feels like
30°F
Dew Point
22°F
6 AM
34°F
20%
5mph
S
Cloudy
Humidity
61%
Feels like
30°F
Dew Point
22°F
7 AM
35°F
30%
5mph
SSW
30% Chance of Flurries
Humidity
61%
Feels like
31°F
Dew Point
23°F
7:23 AM
8 AM
37°F
30%
6mph
SSW
30% Chance of Light Rain
Humidity
60%
Feels like
32°F
Dew Point
24°F
9 AM
38°F
30%
6mph
SSW
30% Chance of Light Rain
Humidity
59%
Feels like
33°F
Dew Point
25°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday'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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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