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Current weather in Rockville is clear sky.

Where can I find the hourly weather forecast for Rockville?

This page shows hourly weather forecast for Rockville, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Rockville updated regularly?

Weather data for Rockville is updated regularly with the latest available observations and forecasts.

Now · 12:15 PM

Rockville Weather & Hourly Forecast

United States · Maryland · 20850

80°F

Sunny

Feels like: 80°F

💧 Humidity 47% 🌡 Pressure 30.36 inHg 💨 Wind 5 mph 👁 Visibility 25.7 mi ☁ Clouds 0% ☀️ UV index 6.2 · High 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Rockville

Today

1:00 PM

Sunny

83° 💧 None 💨 5 mph H 44%30.33 inHg

4:00 PM

Sunny

86° 💧 None 💨 7 mph H 42%30.27 inHg

7:00 PM

Sunny

81° 💧 None 💨 5 mph H 52%30.24 inHg

10:00 PM

Clear night

75° 💧 None 💨 6 mph H 67%30.27 inHg

Tomorrow

1:00 AM

Clear night

72° 💧 None 💨 5 mph H 73%30.27 inHg

4:00 AM

Mostly clear night

70° 💧 0.007 in 💨 4 mph H 78%30.24 inHg

7:00 AM

Light rain

68° 💧 0.009 in 💨 3 mph H 85%30.24 inHg

10:00 AM

Sunny

76° 💧 None 💨 5 mph H 66%30.24 inHg

1:00 PM

Sunny

88° 💧 0.002 in 💨 4 mph H 47%30.18 inHg

4:00 PM

Light thunderstorms

88° 💧 0.091 in 💨 6 mph H 54%30.12 inHg

7:00 PM

Mostly cloudy

80° 💧 None 💨 3 mph H 82%30.06 inHg

10:00 PM

Mostly clear night

78° 💧 None 💨 4 mph H 87%30.09 inHg

Friday

1:00 AM

Mostly clear night

76° 💧 None 💨 5 mph H 89%30.06 inHg

4:00 AM

Mostly clear night

75° 💧 None 💨 7 mph H 87%30.06 inHg

7:00 AM

Partly cloudy

74° 💧 None 💨 7 mph H 88%30.06 inHg

10:00 AM

Overcast

78° 💧 0.000 in 💨 11 mph H 67%30.09 inHg

Today

1:00 PM

Sunny

83° 💧 None 💨 5 mph H 44%30.33 inHg

2:00 PM

Sunny

85° 💧 None 💨 6 mph H 42%30.30 inHg

3:00 PM

Sunny

86° 💧 None 💨 7 mph H 42%30.27 inHg

4:00 PM

Sunny

86° 💧 None 💨 7 mph H 42%30.27 inHg

5:00 PM

Mostly sunny

86° 💧 None 💨 7 mph H 43%30.27 inHg

6:00 PM

Mostly sunny

84° 💧 None 💨 8 mph H 46%30.24 inHg

7:00 PM

Sunny

81° 💧 None 💨 5 mph H 52%30.24 inHg

8:00 PM

Clear night

78° 💧 None 💨 5 mph H 60%30.27 inHg

9:00 PM

Clear night

76° 💧 None 💨 6 mph H 65%30.27 inHg

10:00 PM

Clear night

75° 💧 None 💨 6 mph H 67%30.27 inHg

11:00 PM

Clear night

74° 💧 None 💨 5 mph H 69%30.27 inHg

Tomorrow

12:00 AM

Mostly clear night

73° 💧 None 💨 5 mph H 72%30.27 inHg

1:00 AM

Clear night

72° 💧 None 💨 5 mph H 73%30.27 inHg

2:00 AM

Clear night

71° 💧 None 💨 5 mph H 75%30.24 inHg

3:00 AM

Clear night

70° 💧 None 💨 5 mph H 77%30.24 inHg

4:00 AM

Mostly clear night

70° 💧 None 💨 4 mph H 78%30.24 inHg

5:00 AM

Partly cloudy night

69° 💧 None 💨 4 mph H 80%30.24 inHg

6:00 AM

Light rain

68° 💧 0.007 in 💨 3 mph H 82%30.24 inHg

7:00 AM

Light rain

68° 💧 0.008 in 💨 3 mph H 85%30.24 inHg

8:00 AM

Sunny

70° 💧 0.001 in 💨 4 mph H 81%30.24 inHg

9:00 AM

Sunny

72° 💧 0.001 in 💨 5 mph H 75%30.24 inHg

10:00 AM

Sunny

76° 💧 None 💨 5 mph H 66%30.24 inHg

11:00 AM

Sunny

81° 💧 None 💨 5 mph H 56%30.24 inHg

12:00 PM

Sunny

85° 💧 None 💨 5 mph H 50%30.21 inHg

1:00 PM

Sunny

88° 💧 None 💨 4 mph H 47%30.18 inHg

2:00 PM

Mostly sunny

90° 💧 0.000 in 💨 5 mph H 46%30.15 inHg

3:00 PM

Mostly sunny

91° 💧 0.002 in 💨 5 mph H 46%30.12 inHg

4:00 PM

Light thunderstorms

88° 💧 0.018 in 💨 6 mph H 54%30.12 inHg

5:00 PM

Light thunderstorms

80° 💧 0.068 in 💨 5 mph H 82%30.09 inHg

6:00 PM

Light rain

81° 💧 0.004 in 💨 3 mph H 77%30.09 inHg

7:00 PM

Mostly cloudy

80° 💧 None 💨 3 mph H 82%30.06 inHg

8:00 PM

Mostly cloudy night

78° 💧 None 💨 3 mph H 87%30.09 inHg

9:00 PM

Mostly clear night

78° 💧 None 💨 2 mph H 87%30.09 inHg

10:00 PM

Mostly clear night

78° 💧 None 💨 4 mph H 87%30.09 inHg

11:00 PM

Clear night

77° 💧 None 💨 5 mph H 87%30.09 inHg

Friday

12:00 AM

Mostly clear night

77° 💧 None 💨 4 mph H 87%30.06 inHg

1:00 AM

Mostly clear night

76° 💧 None 💨 5 mph H 89%30.06 inHg

2:00 AM

Clear night

76° 💧 None 💨 7 mph H 86%30.06 inHg

3:00 AM

Clear night

76° 💧 None 💨 7 mph H 87%30.06 inHg

4:00 AM

Mostly clear night

75° 💧 None 💨 7 mph H 87%30.06 inHg

5:00 AM

Mostly clear night

75° 💧 None 💨 7 mph H 88%30.06 inHg

6:00 AM

Partly cloudy night

74° 💧 None 💨 7 mph H 89%30.06 inHg

7:00 AM

Partly cloudy

74° 💧 None 💨 7 mph H 88%30.06 inHg

8:00 AM

Partly cloudy

75° 💧 None 💨 8 mph H 80%30.09 inHg

9:00 AM

Mostly cloudy

77° 💧 None 💨 9 mph H 73%30.09 inHg

10:00 AM

Overcast

78° 💧 0.000 in 💨 11 mph H 67%30.09 inHg

11:00 AM

Mostly cloudy

79° 💧 None 💨 11 mph H 62%30.12 inHg

12:00 PM

Mostly cloudy

80° 💧 None 💨 11 mph H 58%30.12 inHg

1:00 PM

Partly cloudy

81° 💧 None 💨 9 mph H 52%30.09 inHg

2:00 PM

Mostly cloudy

84° 💧 None 💨 9 mph H 45%30.06 inHg

3:00 PM

Mostly cloudy

85° 💧 None 💨 9 mph H 42%30.06 inHg

4:00 PM

Partly cloudy

85° 💧 None 💨 10 mph H 41%30.03 inHg

5:00 PM

Partly cloudy

83° 💧 None 💨 10 mph H 43%30.03 inHg

6:00 PM

Partly cloudy

82° 💧 None 💨 9 mph H 37%30.03 inHg

7:00 PM

Mostly cloudy

78° 💧 None 💨 8 mph H 38%30.06 inHg

8:00 PM

Mostly clear night

75° 💧 None 💨 7 mph H 45%30.09 inHg

Saturday

5:00 AM

Partly cloudy night

63° 💧 None 💨 7 mph H 74%30.12 inHg

8:00 AM

Mostly sunny

63° 💧 None 💨 4 mph H 69%30.15 inHg

11:00 AM

Partly cloudy

73° 💧 None 💨 4 mph H 50%30.15 inHg

2:00 PM

Mostly cloudy

79° 💧 None 💨 4 mph H 43%30.09 inHg

5:00 PM

Mostly sunny

80° 💧 None 💨 5 mph H 44%30.03 inHg

8:00 PM

Mostly clear night

74° 💧 None 💨 7 mph H 59%30.03 inHg

11:00 PM

Mostly clear night

72° 💧 None 💨 8 mph H 72%30.03 inHg

Sunday

2:00 AM

Overcast night

71° 💧 None 💨 9 mph H 83%30.00 inHg

5:00 AM

Mostly clear night

70° 💧 None 💨 8 mph H 83%29.94 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 9 mph H 78%29.94 inHg

11:00 AM

Overcast

81° 💧 None 💨 8 mph H 62%29.91 inHg

2:00 PM

Mostly sunny

88° 💧 None 💨 6 mph H 51%29.85 inHg

5:00 PM

Light thunderstorms

79° 💧 None 💨 11 mph H 81%29.83 inHg

8:00 PM

Mostly cloudy night

73° 💧 None 💨 1 mph H 98%29.88 inHg

11:00 PM

Light rain

72° 💧 None 💨 5 mph H 98%29.94 inHg

Monday

2:00 AM

Moderate rain

68° 💧 None 💨 6 mph H 98%29.97 inHg

5:00 AM

Mostly cloudy night

66° 💧 None 💨 7 mph H 97%30.00 inHg

8:00 AM

Partly cloudy

64° 💧 None 💨 8 mph H 93%30.06 inHg

11:00 AM

Overcast

68° 💧 None 💨 7 mph H 76%30.09 inHg

2:00 PM

Overcast

71° 💧 None 💨 5 mph H 69%30.06 inHg

5:00 PM

Overcast

70° 💧 None 💨 7 mph H 70%30.03 inHg

8:00 PM

Light rain

69° 💧 None 💨 4 mph H 79%30.09 inHg

11:00 PM

Overcast night

67° 💧 None 💨 6 mph H 89%30.09 inHg

Tuesday

2:00 AM

Overcast night

66° 💧 None 💨 8 mph H 93%30.12 inHg

8:00 AM

Overcast

68° 💧 None 💨 3 mph H 92%30.03 inHg

2:00 PM

Mostly cloudy

68° 💧 None 💨 6 mph H 89%30.09 inHg

8:00 PM

Overcast night

74° 💧 None 💨 8 mph H 69%30.12 inHg

Wednesday

2:00 AM

Overcast night

66° 💧 None 💨 9 mph H 80%30.21 inHg

8:00 AM

Overcast

63° 💧 None 💨 7 mph H 83%30.27 inHg

2:00 PM

Overcast

62° 💧 None 💨 8 mph H 85%30.36 inHg

8:00 PM

Overcast night

68° 💧 None 💨 9 mph H 67%30.36 inHg

Thursday

2:00 AM

Overcast night

66° 💧 None 💨 9 mph H 72%30.36 inHg

8:00 AM

Mostly sunny

58° 💧 None 💨 6 mph H 84%30.42 inHg

2:00 PM

Mostly sunny

56° 💧 None 💨 5 mph H 87%30.45 inHg

8:00 PM

Partly cloudy night

72° 💧 None 💨 8 mph H 48%30.39 inHg

Friday

2:00 AM

Clear night

65° 💧 None 💨 7 mph H 69%30.36 inHg

8:00 AM

Sunny

58° 💧 None 💨 6 mph H 89%30.36 inHg

2:00 PM

Sunny

57° 💧 None 💨 5 mph H 92%30.36 inHg

8:00 PM

Partly cloudy night

74° 💧 None 💨 5 mph H 46%30.30 inHg

Saturday

2:00 AM

Overcast night

67° 💧 None 💨 4 mph H 67%30.21 inHg

8:00 AM

Overcast

62° 💧 None 💨 6 mph H 95%30.18 inHg

2:00 PM

Partly cloudy

64° 💧 None 💨 4 mph H 94%30.18 inHg

8:00 PM

Overcast night

79° 💧 None 💨 7 mph H 45%30.09 inHg

Sunday

2:00 AM

Mostly cloudy night

73° 💧 None 💨 6 mph H 60%30.03 inHg

8:00 AM

Sunny

65° 💧 None 💨 4 mph H 86%30.03 inHg

2:00 PM

Sunny

66° 💧 None 💨 3 mph H 83%30.03 inHg

8:00 PM

Light rain

83° 💧 None 💨 2 mph H 47%29.94 inHg

Monday

2:00 AM

Mostly clear night

76° 💧 None 💨 4 mph H 61%29.94 inHg

8:00 AM

Sunny

67° 💧 None 💨 2 mph H 86%29.97 inHg

2:00 PM

Sunny

66° 💧 None 💨 5 mph H 87%30.00 inHg

8:00 PM

Mostly clear night

83° 💧 None 💨 6 mph H 44%29.97 inHg

Tuesday

2:00 AM

Clear night

73° 💧 None 💨 4 mph H 59%30.00 inHg

8:00 AM

Overcast

65° 💧 None 💨 4 mph H 73%30.06 inHg

2:00 PM

Overcast

65° 💧 None 💨 4 mph H 78%30.09 inHg

8:00 PM

Overcast night

81° 💧 None 💨 4 mph H 49%30.03 inHg

Wednesday

2:00 AM

Overcast night

74° 💧 None 💨 6 mph H 55%30.00 inHg

8:00 AM

Overcast

67° 💧 None 💨 4 mph H 83%30.03 inHg

2:00 PM

Overcast

65° 💧 None 💨 5 mph H 88%30.06 inHg

8:00 PM

Overcast night

78° 💧 None 💨 6 mph H 45%30.03 inHg

Thursday

2:00 AM

Overcast night

73° 💧 None 💨 6 mph H 60%30.00 inHg

In Rockville and, more broadly, across the state of Maryland: The morning will start with mostly sunny skies and only a few clouds, bringing mild temperatures around 59 degrees. As the day progresses, temperatures will warm up to a comfortable 85 degrees, with light south winds at around 8 mph. Gusts could reach up to 17 mph, but overall, the wind will remain gentle. No precipitation is expected throughout the day, so outdoor activities should be enjoyable. Expect the weather to stay pleasant with plenty of sunshine and minimal cloud cover into the afternoon.

15-Day Weather Outlook for Rockville

TomorrowTomorrow

Light thunderstorms 91°/68° 💧 None 💨 6 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 85°/74° 💧 None 💨 11 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 80°/63° 💧 0.122 in 💨 8 mph

Sunday, Sep 20Sun Sep 20

Light thunderstorms 88°/70° 💧 0.403 in 💨 11 mph

Monday, Sep 21Mon Sep 21

Moderate rain 71°/64° 💧 0.079 in 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Overcast 74°/66° 💧 0.023 in 💨 8 mph

Wednesday, Sep 23Wed Sep 23

Overcast 68°/62° 💧 0.010 in 💨 9 mph

Thursday, Sep 24Thu Sep 24

Overcast 72°/56° 💧 0.001 in 💨 9 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 74°/57° 💧 None 💨 7 mph

Saturday, Sep 26Sat Sep 26

Partly cloudy 79°/62° 💧 0.001 in 💨 7 mph

Sunday, Sep 27Sun Sep 27

Mostly cloudy 83°/65° 💧 0.004 in 💨 6 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 83°/66° 💧 0.017 in 💨 6 mph

Tuesday, Sep 29Tue Sep 29

Overcast 81°/65° 💧 0.003 in 💨 4 mph

Wednesday, Sep 30Wed Sep 30

Overcast 78°/65° 💧 0.002 in 💨 6 mph

Thursday, Oct 1Thu Oct 1

Overcast 73°/73° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Rockville

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Rockville

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 1:00 PM

PM2.5 Fine particles Good 7,3µg/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 11,3µg/m³

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

O₃ Ozone Moderate 101,1µg/m³

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

NO₂ Nitrogen dioxide Good 1,2µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Rockville

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 6,9High 😐Moderate

Tomorrow UV 7,2High 😐Moderate

Friday UV 6,0High 🙂Fair

Saturday UV 6,1High 😐Moderate

Sunday UV 7,0High 🙂Fair

Monday UV 5,0Moderate —Unavailable

Tuesday UV 6,0High —Unavailable

Hourly UV index today

1:00 PMUV 6,9 2:00 PMUV 6,5 3:00 PMUV 5,1 4:00 PMUV 3,3 5:00 PMUV 1,6 6:00 PMUV 0,5 7:00 PMUV 0,0

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.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor 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 Rockville

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ROCKVILLE, MARYLAND

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

97/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 8:46 PM–5:21 AM

☁ Cloud cover 4% Real hourly forecast for the best viewing hour.

☾ Moonlight 30% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 72° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min79%

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 Rockville were last refreshed today at 12:15 PM. The current forecast period extends through 18/09/2026 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.