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Current weather in Mount Rainier is overcast clouds.

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Now · 1:52 AM

Mount Rainier Weather & Hourly Forecast

United States · Maryland · 20712

72°F

Overcast night

Feels like: 79°F

💧 Humidity 99% 🌡 Pressure 29.94 inHg 💨 Wind 4 mph 👁 Visibility 6.6 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Mount Rainier

Today

2:00 AM

Overcast night

72° 💧 0.004 in 💨 4 mph H 99%29.94 inHg

5:00 AM

Overcast night

72° 💧 0.027 in 💨 4 mph H 99%29.91 inHg

8:00 AM

Light rain

72° 💧 0.011 in 💨 4 mph H 98%29.91 inHg

11:00 AM

Partly cloudy

78° 💧 0.015 in 💨 5 mph H 80%29.94 inHg

2:00 PM

Overcast

85° 💧 0.002 in 💨 5 mph H 64%29.88 inHg

5:00 PM

Light rain

85° 💧 0.007 in 💨 6 mph H 64%29.85 inHg

8:00 PM

Clear night

79° 💧 None 💨 3 mph H 77%29.88 inHg

11:00 PM

Mostly clear night

76° 💧 None 💨 5 mph H 79%29.94 inHg

Tomorrow

2:00 AM

Partly cloudy night

73° 💧 None 💨 6 mph H 84%29.91 inHg

5:00 AM

Partly cloudy night

72° 💧 0.000 in 💨 6 mph H 82%29.94 inHg

8:00 AM

Mostly sunny

72° 💧 0.000 in 💨 7 mph H 80%30.06 inHg

11:00 AM

Sunny

77° 💧 None 💨 8 mph H 55%30.09 inHg

2:00 PM

Mostly sunny

80° 💧 None 💨 9 mph H 48%30.09 inHg

5:00 PM

Sunny

79° 💧 None 💨 9 mph H 43%30.09 inHg

8:00 PM

Clear night

71° 💧 None 💨 7 mph H 55%30.15 inHg

11:00 PM

Clear night

65° 💧 None 💨 4 mph H 68%30.24 inHg

Today

2:00 AM

Overcast night

72° 💧 0.004 in 💨 4 mph H 99%29.94 inHg

3:00 AM

Overcast night

72° 💧 0.000 in 💨 4 mph H 99%29.91 inHg

4:00 AM

Overcast night

72° 💧 None 💨 5 mph H 98%29.91 inHg

5:00 AM

Overcast night

72° 💧 0.000 in 💨 4 mph H 99%29.91 inHg

6:00 AM

Mist at night

72° 💧 0.001 in 💨 4 mph H 98%29.91 inHg

7:00 AM

Light rain

72° 💧 0.025 in 💨 4 mph H 99%29.91 inHg

8:00 AM

Light rain

72° 💧 0.009 in 💨 4 mph H 98%29.91 inHg

9:00 AM

Overcast

74° 💧 0.001 in 💨 6 mph H 93%29.91 inHg

10:00 AM

Overcast

75° 💧 0.001 in 💨 4 mph H 88%29.91 inHg

11:00 AM

Partly cloudy

78° 💧 0.002 in 💨 5 mph H 80%29.94 inHg

12:00 PM

Light rain

81° 💧 0.009 in 💨 4 mph H 72%29.91 inHg

1:00 PM

Light rain

84° 💧 0.004 in 💨 5 mph H 67%29.88 inHg

2:00 PM

Overcast

85° 💧 0.001 in 💨 5 mph H 64%29.88 inHg

3:00 PM

Overcast

86° 💧 None 💨 5 mph H 62%29.85 inHg

4:00 PM

Overcast

86° 💧 0.000 in 💨 6 mph H 61%29.85 inHg

5:00 PM

Light rain

85° 💧 0.005 in 💨 6 mph H 64%29.85 inHg

6:00 PM

Sunny

84° 💧 0.002 in 💨 5 mph H 63%29.85 inHg

7:00 PM

Sunny

82° 💧 None 💨 3 mph H 71%29.85 inHg

8:00 PM

Clear night

79° 💧 None 💨 3 mph H 77%29.88 inHg

9:00 PM

Clear night

78° 💧 None 💨 4 mph H 79%29.91 inHg

10:00 PM

Clear night

77° 💧 None 💨 5 mph H 79%29.91 inHg

11:00 PM

Mostly clear night

76° 💧 None 💨 5 mph H 79%29.94 inHg

Tomorrow

12:00 AM

Mostly clear night

75° 💧 None 💨 4 mph H 82%29.94 inHg

1:00 AM

Partly cloudy night

74° 💧 None 💨 4 mph H 84%29.94 inHg

2:00 AM

Partly cloudy night

73° 💧 None 💨 6 mph H 84%29.91 inHg

3:00 AM

Mostly clear night

73° 💧 None 💨 7 mph H 81%29.91 inHg

4:00 AM

Clear night

73° 💧 None 💨 8 mph H 80%29.94 inHg

5:00 AM

Partly cloudy night

72° 💧 None 💨 6 mph H 82%29.94 inHg

6:00 AM

Partly cloudy night

71° 💧 None 💨 6 mph H 82%29.97 inHg

7:00 AM

Mostly cloudy

71° 💧 0.000 in 💨 5 mph H 84%30.00 inHg

8:00 AM

Mostly sunny

72° 💧 0.000 in 💨 7 mph H 80%30.06 inHg

9:00 AM

Sunny

74° 💧 None 💨 8 mph H 74%30.06 inHg

10:00 AM

Sunny

76° 💧 None 💨 8 mph H 61%30.09 inHg

11:00 AM

Sunny

77° 💧 None 💨 8 mph H 55%30.09 inHg

12:00 PM

Mostly sunny

79° 💧 None 💨 8 mph H 51%30.09 inHg

1:00 PM

Partly cloudy

80° 💧 None 💨 9 mph H 48%30.09 inHg

2:00 PM

Mostly sunny

80° 💧 None 💨 9 mph H 48%30.09 inHg

3:00 PM

Sunny

80° 💧 None 💨 9 mph H 48%30.06 inHg

4:00 PM

Sunny

80° 💧 None 💨 9 mph H 45%30.06 inHg

5:00 PM

Sunny

79° 💧 None 💨 9 mph H 43%30.09 inHg

6:00 PM

Sunny

77° 💧 None 💨 9 mph H 44%30.09 inHg

7:00 PM

Sunny

73° 💧 None 💨 7 mph H 49%30.12 inHg

8:00 PM

Clear night

71° 💧 None 💨 7 mph H 55%30.15 inHg

9:00 PM

Clear night

69° 💧 None 💨 5 mph H 59%30.18 inHg

10:00 PM

Clear night

66° 💧 None 💨 4 mph H 66%30.21 inHg

11:00 PM

Clear night

65° 💧 None 💨 4 mph H 68%30.24 inHg

Tuesday

12:00 AM

Mostly clear night

64° 💧 None 💨 4 mph H 68%30.24 inHg

1:00 AM

Mostly clear night

63° 💧 None 💨 6 mph H 68%30.24 inHg

2:00 AM

Mostly clear night

62° 💧 None 💨 5 mph H 71%30.24 inHg

3:00 AM

Clear night

62° 💧 None 💨 5 mph H 73%30.24 inHg

4:00 AM

Clear night

61° 💧 None 💨 6 mph H 73%30.27 inHg

5:00 AM

Clear night

60° 💧 None 💨 5 mph H 75%30.27 inHg

6:00 AM

Mostly cloudy night

59° 💧 None 💨 4 mph H 78%30.30 inHg

7:00 AM

Mostly cloudy

58° 💧 None 💨 4 mph H 80%30.30 inHg

8:00 AM

Mostly cloudy

61° 💧 None 💨 5 mph H 78%30.33 inHg

5:00 PM

Overcast

76° 💧 None 💨 4 mph H 47%30.27 inHg

8:00 PM

Partly cloudy night

68° 💧 None 💨 5 mph H 65%30.30 inHg

11:00 PM

Mostly cloudy night

64° 💧 None 💨 4 mph H 73%30.30 inHg

Wednesday

2:00 AM

Overcast night

62° 💧 None 💨 3 mph H 85%30.30 inHg

5:00 AM

Mostly cloudy night

61° 💧 None 💨 2 mph H 88%30.30 inHg

8:00 AM

Mostly sunny

64° 💧 None 💨 3 mph H 79%30.36 inHg

11:00 AM

Sunny

75° 💧 None 💨 5 mph H 58%30.36 inHg

2:00 PM

Partly cloudy

82° 💧 None 💨 5 mph H 48%30.30 inHg

5:00 PM

Mostly sunny

84° 💧 None 💨 4 mph H 47%30.27 inHg

8:00 PM

Clear night

76° 💧 None 💨 4 mph H 67%30.27 inHg

11:00 PM

Clear night

72° 💧 None 💨 4 mph H 75%30.30 inHg

Thursday

2:00 AM

Clear night

69° 💧 None 💨 4 mph H 79%30.30 inHg

5:00 AM

Partly cloudy night

68° 💧 None 💨 4 mph H 85%30.27 inHg

8:00 AM

Overcast

69° 💧 None 💨 3 mph H 80%30.30 inHg

11:00 AM

Partly cloudy

79° 💧 None 💨 4 mph H 59%30.30 inHg

2:00 PM

Mostly sunny

86° 💧 None 💨 6 mph H 47%30.24 inHg

5:00 PM

Sunny

86° 💧 None 💨 7 mph H 47%30.18 inHg

8:00 PM

Mostly clear night

79° 💧 None 💨 5 mph H 64%30.18 inHg

11:00 PM

Clear night

74° 💧 None 💨 5 mph H 59%30.21 inHg

Friday

2:00 AM

Clear night

72° 💧 None 💨 6 mph H 72%30.15 inHg

5:00 AM

Clear night

70° 💧 None 💨 4 mph H 75%30.15 inHg

8:00 AM

Sunny

71° 💧 None 💨 4 mph H 72%30.15 inHg

11:00 AM

Sunny

83° 💧 None 💨 1 mph H 51%30.12 inHg

2:00 PM

Partly cloudy

92° 💧 None 💨 2 mph H 43%30.06 inHg

8:00 PM

Mostly clear night

92° 💧 None 💨 6 mph H 39%30.06 inHg

Saturday

2:00 AM

Mostly clear night

86° 💧 None 💨 6 mph H 49%29.97 inHg

8:00 AM

Light rain

76° 💧 None 💨 3 mph H 83%29.97 inHg

2:00 PM

Sunny

71° 💧 None 💨 9 mph H 86%30.00 inHg

8:00 PM

Overcast night

78° 💧 None 💨 7 mph H 63%30.03 inHg

Sunday

2:00 AM

Overcast night

72° 💧 None 💨 8 mph H 75%30.03 inHg

8:00 AM

Light rain

68° 💧 None 💨 8 mph H 96%30.00 inHg

2:00 PM

Overcast

68° 💧 None 💨 5 mph H 98%29.97 inHg

8:00 PM

Overcast night

69° 💧 None 💨 9 mph H 83%29.97 inHg

Monday

2:00 AM

Overcast night

65° 💧 None 💨 10 mph H 85%30.03 inHg

8:00 AM

Moderate rain

60° 💧 None 💨 10 mph H 94%30.09 inHg

2:00 PM

Overcast

62° 💧 None 💨 9 mph H 88%30.12 inHg

8:00 PM

Overcast night

72° 💧 None 💨 11 mph H 66%30.12 inHg

Tuesday

2:00 AM

Overcast night

67° 💧 None 💨 10 mph H 75%30.12 inHg

8:00 AM

Overcast

65° 💧 None 💨 9 mph H 86%30.09 inHg

2:00 PM

Overcast

66° 💧 None 💨 5 mph H 91%30.06 inHg

8:00 PM

Overcast night

76° 💧 None 💨 3 mph H 77%30.06 inHg

Wednesday

2:00 AM

Overcast night

74° 💧 None 💨 3 mph H 84%30.03 inHg

8:00 AM

Overcast

70° 💧 None 💨 3 mph H 96%30.03 inHg

2:00 PM

Overcast

70° 💧 None 💨 4 mph H 95%30.06 inHg

8:00 PM

Moderate rain

74° 💧 None 💨 6 mph H 94%30.06 inHg

Thursday

2:00 AM

Overcast night

70° 💧 None 💨 11 mph H 87%30.09 inHg

8:00 AM

Overcast

64° 💧 None 💨 12 mph H 92%30.15 inHg

2:00 PM

Overcast

64° 💧 None 💨 10 mph H 86%30.21 inHg

8:00 PM

Overcast night

68° 💧 None 💨 11 mph H 76%30.24 inHg

Friday

2:00 AM

Overcast night

65° 💧 None 💨 10 mph H 83%30.24 inHg

8:00 AM

Overcast

63° 💧 None 💨 9 mph H 79%30.27 inHg

2:00 PM

Overcast

61° 💧 None 💨 9 mph H 83%30.27 inHg

8:00 PM

Overcast night

72° 💧 None 💨 11 mph H 70%30.21 inHg

Saturday

2:00 AM

Overcast night

69° 💧 None 💨 10 mph H 78%30.15 inHg

8:00 AM

Light rain

66° 💧 None 💨 10 mph H 92%30.09 inHg

2:00 PM

Moderate rain

69° 💧 None 💨 8 mph H 99%30.00 inHg

8:00 PM

Light thunderstorms

76° 💧 None 💨 9 mph H 93%29.88 inHg

Sunday

2:00 AM

Mostly clear night

71° 💧 None 💨 5 mph H 98%29.85 inHg

8:00 AM

Overcast

70° 💧 None 💨 4 mph H 100%29.83 inHg

2:00 PM

Sunny

68° 💧 None 💨 6 mph H 98%29.85 inHg

In Mount Rainier and, more broadly, across the state of Maryland: This evening, expect mostly cloudy skies with temperatures remaining mild to warm, ranging from 72 to 77 degrees. Light southeast winds will blow at around 7 mph, with occasional gusts reaching 17 mph. A slight chance of rain exists, with a potential accumulation of about 0.01 inches, and the highest probability of precipitation is around 51%. Conditions are generally calm, but brief showers could occur. Overnight, temperatures are expected to stay within a similar range, with cloudy skies persisting. Winds will remain light from the southeast, and any rain likely will be brief and scattered. Overall, it should be a mild evening with minimal rainfall expected.

15-Day Weather Outlook for Mount Rainier

TomorrowTomorrow

Mostly sunny 80°/71° 💧 None 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 76°/58° 💧 0.365 in 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 84°/61° 💧 None 💨 5 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 86°/68° 💧 0.001 in 💨 7 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 92°/70° 💧 None 💨 6 mph

Saturday, Sep 19Sat Sep 19

Light rain 92°/71° 💧 0.037 in 💨 9 mph

Sunday, Sep 20Sun Sep 20

Light rain 78°/68° 💧 0.436 in 💨 8 mph

Monday, Sep 21Mon Sep 21

Moderate rain 69°/60° 💧 0.401 in 💨 10 mph

Tuesday, Sep 22Tue Sep 22

Overcast 72°/65° 💧 0.014 in 💨 11 mph

Wednesday, Sep 23Wed Sep 23

Overcast 76°/70° 💧 0.006 in 💨 4 mph

Thursday, Sep 24Thu Sep 24

Moderate rain 74°/64° 💧 0.586 in 💨 12 mph

Friday, Sep 25Fri Sep 25

Overcast 68°/61° 💧 0.016 in 💨 11 mph

Saturday, Sep 26Sat Sep 26

Moderate rain 72°/66° 💧 0.175 in 💨 11 mph

Sunday, Sep 27Sun Sep 27

Light thunderstorms 76°/68° 💧 1.106 in 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Mount Rainier

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Mount Rainier

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 2:00 AM

PM2.5 Fine particles Good 6,4µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 6,6µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 13,6µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 4,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Mount Rainier

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 6,6High 😊Good

Tomorrow UV 6,4High 🙂Fair

Tuesday UV 7,0High 🙂Fair

Wednesday UV 7,1High 😐Moderate

Thursday UV 7,0High 😊Good

Friday UV 8,0Very high —Unavailable

Saturday UV 4,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,0 9:00 AMUV 0,1 10:00 AMUV 1,4 11:00 AMUV 4,2 12:00 PMUV 6,0 1:00 PMUV 6,6 2:00 PMUV 5,5 3:00 PMUV 3,3 4:00 PMUV 2,4 5:00 PMUV 0,9 6:00 PMUV 0,2

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Mount Rainier

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MOUNT RAINIER, MARYLAND

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

22/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 100% Real hourly forecast for the best viewing hour.

☾ Moonlight 2% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 80° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Mount Rainier were last refreshed today at 1:52 AM. The current forecast period extends through 14/09/2026 at 11:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.