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Now · 12:49 PM

Potomac Heights Weather & Hourly Forecast

United States · Maryland · 20640

84°F

Mostly cloudy

Feels like: 84°F

💧 Humidity 46% 🌡 Pressure 30.00 inHg 💨 Wind 5 mph 👁 Visibility 25.4 mi ☁ Clouds 91% ☀️ UV index 4.1 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Potomac Heights

Today

1:00 PM

Mostly cloudy

84° 💧 None 💨 5 mph H 46%30.00 inHg

4:00 PM

Overcast

85° 💧 None 💨 6 mph H 49%29.94 inHg

7:00 PM

Mostly sunny

80° 💧 None 💨 5 mph H 60%29.97 inHg

10:00 PM

Overcast night

75° 💧 0.000 in 💨 4 mph H 70%30.03 inHg

Tomorrow

1:00 AM

Mostly cloudy night

73° 💧 0.001 in 💨 5 mph H 85%30.00 inHg

4:00 AM

Light rain

72° 💧 0.100 in 💨 4 mph H 92%30.00 inHg

7:00 AM

Light thunderstorms

71° 💧 0.183 in 💨 3 mph H 99%30.03 inHg

10:00 AM

Light thunderstorms

74° 💧 0.044 in 💨 5 mph H 97%30.06 inHg

1:00 PM

Light rain

81° 💧 0.133 in 💨 4 mph H 79%30.03 inHg

4:00 PM

Light rain

78° 💧 0.041 in 💨 6 mph H 90%29.97 inHg

7:00 PM

Mostly cloudy

77° 💧 0.003 in 💨 5 mph H 93%29.97 inHg

10:00 PM

Light rain

74° 💧 0.019 in 💨 4 mph H 98%30.00 inHg

Sunday

1:00 AM

Overcast night

73° 💧 0.004 in 💨 6 mph H 99%30.00 inHg

4:00 AM

Overcast night

73° 💧 0.166 in 💨 5 mph H 99%29.94 inHg

7:00 AM

Light thunderstorms

72° 💧 0.051 in 💨 5 mph H 100%29.94 inHg

10:00 AM

Light rain

75° 💧 0.241 in 💨 5 mph H 95%29.97 inHg

Today

1:00 PM

Mostly cloudy

84° 💧 None 💨 5 mph H 46%30.00 inHg

2:00 PM

Overcast

86° 💧 None 💨 5 mph H 45%29.97 inHg

3:00 PM

Overcast

86° 💧 None 💨 5 mph H 47%29.94 inHg

4:00 PM

Overcast

85° 💧 None 💨 6 mph H 49%29.94 inHg

5:00 PM

Mostly cloudy

83° 💧 None 💨 6 mph H 53%29.94 inHg

6:00 PM

Partly cloudy

82° 💧 None 💨 6 mph H 55%29.94 inHg

7:00 PM

Mostly sunny

80° 💧 None 💨 5 mph H 60%29.97 inHg

8:00 PM

Mostly clear night

77° 💧 None 💨 5 mph H 67%29.97 inHg

9:00 PM

Mostly cloudy night

75° 💧 None 💨 5 mph H 69%30.00 inHg

10:00 PM

Overcast night

75° 💧 None 💨 4 mph H 70%30.03 inHg

11:00 PM

Mostly cloudy night

74° 💧 None 💨 5 mph H 73%30.03 inHg

Tomorrow

12:00 AM

Mostly cloudy night

73° 💧 0.000 in 💨 5 mph H 77%30.00 inHg

1:00 AM

Mostly cloudy night

73° 💧 0.000 in 💨 5 mph H 85%30.00 inHg

2:00 AM

Mostly cloudy night

73° 💧 None 💨 5 mph H 90%30.00 inHg

3:00 AM

Mostly cloudy night

72° 💧 0.001 in 💨 6 mph H 91%30.00 inHg

4:00 AM

Light rain

72° 💧 0.008 in 💨 4 mph H 92%30.00 inHg

5:00 AM

Light rain

71° 💧 0.042 in 💨 3 mph H 96%30.03 inHg

6:00 AM

Light rain

71° 💧 0.051 in 💨 5 mph H 99%30.03 inHg

7:00 AM

Light thunderstorms

71° 💧 0.061 in 💨 3 mph H 99%30.03 inHg

8:00 AM

Light rain

72° 💧 0.016 in 💨 3 mph H 99%30.06 inHg

9:00 AM

Thunderstorms

72° 💧 0.106 in 💨 3 mph H 99%30.06 inHg

10:00 AM

Light thunderstorms

74° 💧 0.029 in 💨 5 mph H 97%30.06 inHg

11:00 AM

Light rain

75° 💧 0.011 in 💨 6 mph H 94%30.06 inHg

12:00 PM

Overcast

77° 💧 0.003 in 💨 6 mph H 87%30.06 inHg

1:00 PM

Light rain

81° 💧 0.009 in 💨 4 mph H 79%30.03 inHg

2:00 PM

Light thunderstorms

81° 💧 0.021 in 💨 7 mph H 78%30.03 inHg

3:00 PM

Thunderstorms

76° 💧 0.102 in 💨 6 mph H 94%30.03 inHg

4:00 PM

Light rain

78° 💧 0.022 in 💨 6 mph H 90%29.97 inHg

5:00 PM

Light rain

78° 💧 0.013 in 💨 5 mph H 88%29.97 inHg

6:00 PM

Light rain

78° 💧 0.006 in 💨 6 mph H 90%29.97 inHg

7:00 PM

Mostly cloudy

77° 💧 0.001 in 💨 5 mph H 93%29.97 inHg

8:00 PM

Mostly cloudy night

75° 💧 None 💨 4 mph H 97%29.97 inHg

9:00 PM

Mostly cloudy night

74° 💧 0.001 in 💨 4 mph H 97%30.00 inHg

10:00 PM

Light rain

74° 💧 0.006 in 💨 4 mph H 98%30.00 inHg

11:00 PM

Mostly cloudy night

74° 💧 0.000 in 💨 5 mph H 98%30.00 inHg

Sunday

12:00 AM

Light rain

73° 💧 0.013 in 💨 5 mph H 99%30.00 inHg

1:00 AM

Overcast night

73° 💧 0.000 in 💨 6 mph H 99%30.00 inHg

2:00 AM

Mostly cloudy night

73° 💧 0.000 in 💨 6 mph H 98%29.97 inHg

3:00 AM

Overcast night

73° 💧 0.004 in 💨 6 mph H 99%29.97 inHg

4:00 AM

Overcast night

73° 💧 0.001 in 💨 5 mph H 99%29.94 inHg

5:00 AM

Light thunderstorms

72° 💧 0.075 in 💨 5 mph H 99%29.94 inHg

6:00 AM

Light thunderstorms

72° 💧 0.089 in 💨 5 mph H 99%29.97 inHg

7:00 AM

Light thunderstorms

72° 💧 0.039 in 💨 5 mph H 100%29.94 inHg

8:00 AM

Light rain

73° 💧 0.005 in 💨 5 mph H 99%29.97 inHg

9:00 AM

Light rain

74° 💧 0.007 in 💨 4 mph H 98%29.97 inHg

10:00 AM

Light rain

75° 💧 0.006 in 💨 5 mph H 95%29.97 inHg

11:00 AM

Light rain

76° 💧 0.061 in 💨 3 mph H 95%29.97 inHg

12:00 PM

Thunderstorms

76° 💧 0.175 in 💨 4 mph H 97%29.97 inHg

1:00 PM

Light rain

78° 💧 0.025 in 💨 3 mph H 92%29.97 inHg

2:00 PM

Light rain

81° 💧 0.018 in 💨 3 mph H 84%29.94 inHg

3:00 PM

Light rain

83° 💧 0.010 in 💨 3 mph H 75%29.91 inHg

4:00 PM

Light rain

83° 💧 0.006 in 💨 3 mph H 73%29.88 inHg

5:00 PM

Light rain

83° 💧 0.004 in 💨 2 mph H 71%29.88 inHg

6:00 PM

Mostly sunny

82° 💧 0.001 in 💨 3 mph H 75%29.88 inHg

7:00 PM

Partly cloudy

79° 💧 0.002 in 💨 4 mph H 87%29.91 inHg

8:00 PM

Light rain

77° 💧 0.007 in 💨 4 mph H 90%29.94 inHg

Monday

5:00 AM

Partly cloudy night

69° 💧 None 💨 2 mph H 92%29.94 inHg

8:00 AM

Mostly sunny

72° 💧 None 💨 4 mph H 86%30.00 inHg

11:00 AM

Mostly cloudy

78° 💧 None 💨 11 mph H 61%30.06 inHg

2:00 PM

Sunny

81° 💧 None 💨 10 mph H 49%30.03 inHg

5:00 PM

Sunny

79° 💧 None 💨 10 mph H 41%30.03 inHg

8:00 PM

Clear night

70° 💧 None 💨 6 mph H 62%30.12 inHg

11:00 PM

Clear night

67° 💧 None 💨 6 mph H 64%30.18 inHg

Tuesday

2:00 AM

Clear night

63° 💧 None 💨 7 mph H 71%30.21 inHg

5:00 AM

Clear night

60° 💧 None 💨 7 mph H 77%30.24 inHg

8:00 AM

Mostly cloudy

61° 💧 None 💨 5 mph H 76%30.30 inHg

11:00 AM

Mostly cloudy

73° 💧 None 💨 3 mph H 58%30.33 inHg

2:00 PM

Mostly cloudy

78° 💧 None 💨 2 mph H 46%30.27 inHg

5:00 PM

Partly cloudy

78° 💧 None 💨 5 mph H 46%30.24 inHg

8:00 PM

Partly cloudy night

69° 💧 None 💨 5 mph H 68%30.27 inHg

11:00 PM

Partly cloudy night

65° 💧 None 💨 4 mph H 76%30.27 inHg

Wednesday

2:00 AM

Mostly clear night

64° 💧 None 💨 2 mph H 89%30.30 inHg

5:00 AM

Mostly cloudy night

61° 💧 None 💨 3 mph H 92%30.27 inHg

8:00 AM

Mostly sunny

64° 💧 None 💨 2 mph H 88%30.30 inHg

11:00 AM

Sunny

76° 💧 None 💨 3 mph H 58%30.30 inHg

2:00 PM

Mostly sunny

82° 💧 None 💨 5 mph H 48%30.24 inHg

5:00 PM

Sunny

82° 💧 None 💨 5 mph H 44%30.21 inHg

8:00 PM

Clear night

73° 💧 None 💨 7 mph H 64%30.21 inHg

11:00 PM

Clear night

68° 💧 None 💨 5 mph H 76%30.24 inHg

Thursday

2:00 AM

Clear night

64° 💧 None 💨 5 mph H 87%30.18 inHg

8:00 AM

Sunny

63° 💧 None 💨 5 mph H 92%30.24 inHg

2:00 PM

Sunny

64° 💧 None 💨 5 mph H 88%30.21 inHg

8:00 PM

Clear night

87° 💧 None 💨 4 mph H 46%30.15 inHg

Friday

2:00 AM

Mostly cloudy night

79° 💧 None 💨 4 mph H 77%30.12 inHg

8:00 AM

Light rain

72° 💧 None 💨 6 mph H 98%30.15 inHg

2:00 PM

Light rain

66° 💧 None 💨 8 mph H 97%30.21 inHg

8:00 PM

Mostly cloudy night

77° 💧 None 💨 4 mph H 57%30.18 inHg

Saturday

2:00 AM

Clear night

70° 💧 None 💨 4 mph H 75%30.09 inHg

8:00 AM

Overcast

65° 💧 None 💨 1 mph H 78%30.09 inHg

2:00 PM

Light rain

65° 💧 None 💨 2 mph H 88%30.06 inHg

8:00 PM

Light rain

72° 💧 None 💨 6 mph H 92%29.94 inHg

Sunday

2:00 AM

Overcast night

71° 💧 None 💨 6 mph H 99%29.77 inHg

8:00 AM

Overcast

71° 💧 None 💨 9 mph H 97%29.68 inHg

2:00 PM

Partly cloudy

75° 💧 None 💨 10 mph H 79%29.65 inHg

8:00 PM

Partly cloudy night

81° 💧 None 💨 10 mph H 57%29.71 inHg

Monday

2:00 AM

Mostly cloudy night

71° 💧 None 💨 5 mph H 71%29.77 inHg

8:00 AM

Mostly sunny

66° 💧 None 💨 10 mph H 71%29.88 inHg

2:00 PM

Sunny

60° 💧 None 💨 9 mph H 73%30.03 inHg

8:00 PM

Clear night

69° 💧 None 💨 13 mph H 41%30.06 inHg

Tuesday

2:00 AM

Clear night

61° 💧 None 💨 7 mph H 53%30.15 inHg

8:00 AM

Sunny

54° 💧 None 💨 8 mph H 66%30.24 inHg

2:00 PM

Sunny

51° 💧 None 💨 5 mph H 76%30.33 inHg

8:00 PM

Mostly cloudy night

65° 💧 None 💨 4 mph H 42%30.33 inHg

Wednesday

2:00 AM

Overcast night

58° 💧 None 💨 2 mph H 66%30.30 inHg

8:00 AM

Mostly cloudy

51° 💧 None 💨 3 mph H 84%30.33 inHg

2:00 PM

Overcast

53° 💧 None 💨 3 mph H 80%30.36 inHg

8:00 PM

Clear night

71° 💧 None 💨 4 mph H 43%30.33 inHg

Thursday

2:00 AM

Clear night

61° 💧 None 💨 3 mph H 71%30.30 inHg

8:00 AM

Sunny

54° 💧 None 💨 1 mph H 84%30.33 inHg

2:00 PM

Sunny

55° 💧 None 💨 3 mph H 82%30.36 inHg

8:00 PM

Overcast night

76° 💧 None 💨 6 mph H 45%30.33 inHg

Friday

2:00 AM

Partly cloudy night

68° 💧 None 💨 6 mph H 71%30.33 inHg

8:00 AM

Sunny

61° 💧 None 💨 2 mph H 89%30.33 inHg

2:00 PM

Sunny

59° 💧 None 💨 4 mph H 93%30.33 inHg

8:00 PM

Mostly clear night

80° 💧 None 💨 4 mph H 41%30.27 inHg

Saturday

2:00 AM

Clear night

69° 💧 None 💨 4 mph H 67%30.21 inHg

In Potomac Heights and, more broadly, across the state of Maryland: The rest of the day will feature mostly cloudy skies with mild to warm temperatures ranging from 73 to 79 degrees Fahrenheit. Light northeast winds, averaging around 5 mph, may gust up to 9 mph, but overall, conditions will remain calm. No precipitation is expected, so outdoor plans should be comfortable. Temperatures will gradually stay steady through the afternoon, providing a pleasant day without significant weather disruptions.

15-Day Weather Outlook for Potomac Heights

TomorrowTomorrow

Light thunderstorms 81°/71° 💧 None 💨 7 mph

Sunday, Sep 13Sun Sep 13

Light thunderstorms 83°/72° 💧 None 💨 6 mph

Monday, Sep 14Mon Sep 14

Light rain 81°/69° 💧 0.574 in 💨 11 mph

Tuesday, Sep 15Tue Sep 15

Mostly cloudy 78°/60° 💧 None 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 82°/61° 💧 None 💨 5 mph

Thursday, Sep 17Thu Sep 17

Sunny 73°/63° 💧 0.442 in 💨 7 mph

Friday, Sep 18Fri Sep 18

Light rain 87°/66° 💧 0.255 in 💨 8 mph

Saturday, Sep 19Sat Sep 19

Light rain 77°/65° 💧 0.023 in 💨 4 mph

Sunday, Sep 20Sun Sep 20

Light rain 75°/71° 💧 0.405 in 💨 10 mph

Monday, Sep 21Mon Sep 21

Partly cloudy 81°/60° 💧 None 💨 10 mph

Tuesday, Sep 22Tue Sep 22

Sunny 69°/51° 💧 None 💨 13 mph

Wednesday, Sep 23Wed Sep 23

Mostly cloudy 65°/51° 💧 None 💨 4 mph

Thursday, Sep 24Thu Sep 24

Sunny 71°/54° 💧 None 💨 4 mph

Friday, Sep 25Fri Sep 25

Overcast 76°/59° 💧 0.004 in 💨 6 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 80°/69° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Potomac Heights

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Potomac Heights

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 1:00 PM

PM2.5 Fine particles Good 6,8µg/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 7,3µg/m³

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

O₃ Ozone Fair 81,4µg/m³

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

NO₂ Nitrogen dioxide Good 2,1µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Potomac Heights

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 4,1Moderate 🙂Fair

Tomorrow UV 4,0Moderate 🙂Fair

Sunday UV 6,4High 😊Good

Monday UV 6,3High 🙂Fair

Tuesday UV 7,0High 🙂Fair

Wednesday UV 8,0Very high —Unavailable

Thursday UV 8,0Very high —Unavailable

Hourly UV index today

1:00 PMUV 3,5 2:00 PMUV 2,5 3:00 PMUV 2,1 4:00 PMUV 0,4 5:00 PMUV 0,2 6:00 PMUV 0,2 7:00 PMUV 0,0

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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 Potomac Heights

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · POTOMAC HEIGHTS, MARYLAND

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

45/100Best-hour score

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

☁ Cloud cover 76% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 6° 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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for Potomac Heights were last refreshed today at 12:49 PM. The current forecast period extends through 13/09/2026 at 10:00 AM. 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.