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Mount Rainier, MD Weather Forecast | 5 Day
Updated: Wed Jul 9th 2025 12:15 PM EDT
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Moderate Rain
Wed 7-9
Moderate Rain with a high of 91°F and a low of 75°F. It will likey rain, having a 89% chance of a downpour with an estimated 0.38in. Wind will be moderate, blowing around 11mph on average and gusts of 17.6mph at 7 PM. High humidity with average of 81% is anticipated, the maximum being 92% at 11 PM and 62% being its lowest at 1 PM. Barometric pressure is its highest of 30inHg at 1 PM, a lowest point of 29.98inHg at 4 PM with an avg 29.99inHg.
- HI: 91°F
- LO: 75°F
- Rainfall: 89% | est. 0.38in
- Snowfall: 0%
- Wind
11 mph - Humidity
81% avg. - UV Index
2.2 - Air QualityModerate
- Sunrise
05:51 AM - Sunset
08:35 PM - Moonrise
08:13 PM - Moonset
04:11 AM - Moon Phase
Waxing Gibbous

Heavy Rain
Thu 7-10
Heavy Rain with a high of 80°F and a low of 70°F. It will likey rain, having a 77% chance of a downpour with an estimated 1.61in. Winds will be light at 6mph and gusts of 8.9mph at 9 PM. High humidity with average of 91% is anticipated, the maximum being 98% at 10 AM and 76% being its lowest at 5 PM. Barometric pressure is its highest of 30inHg at 2 AM, a lowest point of 29.93inHg at 4 PM with an avg 29.97inHg.
- HI: 80°F
- LO: 70°F
- Rainfall: 77% | est. 1.61in
- Snowfall: 0%
- Wind
5.1 mph - Humidity
91% avg. - UV Index
2.4 - Air QualityModerate
- Sunrise
05:51 AM - Sunset
08:34 PM - Moonrise
08:59 PM - Moonset
05:10 AM - Moon Phase
Full Moon

Partly Cloudy
Fri 7-11
Partly Cloudy with a high of 89°F and a low of 72°F. Winds will be light at 5mph and gusts of 9.4mph at 9 PM. High humidity with average of 82% is anticipated, the maximum being 98% at 3 AM and 61% being its lowest at 2 PM. Barometric pressure is its highest of 30.04inHg at 10 PM, a lowest point of 29.96inHg at 11 PM with an avg 29.99inHg.
- HI: 89°F
- LO: 72°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
4.5 mph - Humidity
82% avg. - UV Index
2.6 - Air QualityModerate
- Sunrise
05:52 AM - Sunset
08:34 PM - Moonrise
09:38 PM - Moonset
06:16 AM - Moon Phase
Waning Gibbous

Patchy Rain Nearby
Sat 7-12
Scattered showers with a high of 92°F and a low of 73°F. It will likey rain in the surrounding area, having a 83% chance of a downpour with an estimated 0.01in. Winds will be light at 7mph and gusts of 9.4mph at 8 PM. High humidity with average of 81% is anticipated, the maximum being 98% at 3 AM and 48% being its lowest at 4 PM. Barometric pressure is its highest of 30.11inHg at 10 AM, a lowest point of 29.97inHg at 5 PM with an avg 30.05inHg.
- HI: 92°F
- LO: 73°F
- Rainfall: 83% | est. 0.01in
- Snowfall: 0%
- Wind
6.5 mph - Humidity
81% avg. - UV Index
2.6 - Air QualityUnhealthy for Sensitive Groups
- Sunrise
05:53 AM - Sunset
08:34 PM - Moonrise
10:09 PM - Moonset
07:25 AM - Moon Phase
Waning Gibbous

Patchy Rain Nearby
Sun 7-13
Scattered showers with a high of 95°F and a low of 73°F. It will likey rain in the surrounding area, having a 85% chance of a downpour with an estimated 0.09in. Winds will be light at 7mph and gusts of 11.3mph at 10 PM. The humidity will be on the higher side, averaging about 75%, the maximum being 94% at 5 AM and 42% being its lowest at 3 PM. Barometric pressure is its highest of 30.02inHg at 9 AM, a lowest point of 29.92inHg at 5 PM with an avg 29.98inHg.
- HI: 95°F
- LO: 73°F
- Rainfall: 85% | est. 0.09in
- Snowfall: 0%
- Wind
6.3 mph - Humidity
75% avg. - UV Index
0.2 - Air QualityUnhealthy for Sensitive Groups
- Sunrise
05:53 AM - Sunset
08:33 PM - Moonrise
10:37 PM - Moonset
08:35 AM - Moon Phase
Waning Gibbous

Patchy Rain Nearby
Mon 7-14
Scattered showers with a high of 90°F and a low of 72°F. It will likey rain in the surrounding area, having a 87% chance of a downpour with an estimated 0.03in. Winds will be light at 9mph and gusts of 10.2mph at 5 PM. High humidity with average of 82% is anticipated, the maximum being 96% at 10 PM and 55% being its lowest at 2 PM. Barometric pressure is its highest of 30.01inHg at 11 PM, a lowest point of 29.96inHg at 5 PM with an avg 29.98inHg.
- HI: 90°F
- LO: 72°F
- Rainfall: 87% | est. 0.03in
- Snowfall: 0%
- Wind
8.5 mph - Humidity
82% avg. - UV Index
6 - Air QualityTBA
- Sunrise
05:54 AM - Sunset
08:33 PM - Moonrise
11:02 PM - Moonset
09:45 AM - Moon Phase
Waning Gibbous
Currently
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87°F |
30.04 inHg.
Barometer 62%
Humidity SSW 4 mph Wind |
Partly Cloudy |