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Current weather in Frederick is clear sky.

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

Now · 6:46 PM

Frederick Weather & Hourly Forecast

United States · Maryland · 21701

82°F

Sunny

Feels like: 83°F

💧 Humidity 58% 🌡 Pressure 30.00 inHg 💨 Wind 10 mph 👁 Visibility 22.3 mi ☁ Clouds 11% ☀️ UV index 0.4 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Frederick

Today

7:00 PM

Sunny

82° 💧 None 💨 10 mph H 58%30.00 inHg

10:00 PM

Clear night

78° 💧 None 💨 12 mph H 59%30.00 inHg

Tomorrow

1:00 AM

Clear night

75° 💧 None 💨 10 mph H 65%29.97 inHg

4:00 AM

Partly cloudy night

73° 💧 0.041 in 💨 7 mph H 75%29.94 inHg

7:00 AM

Overcast

71° 💧 0.002 in 💨 7 mph H 93%29.97 inHg

10:00 AM

Mostly cloudy

78° 💧 None 💨 6 mph H 79%29.97 inHg

1:00 PM

Mostly cloudy

82° 💧 None 💨 7 mph H 65%29.94 inHg

4:00 PM

Mostly cloudy

86° 💧 0.000 in 💨 8 mph H 54%29.88 inHg

7:00 PM

Mostly cloudy

82° 💧 0.004 in 💨 2 mph H 70%29.85 inHg

10:00 PM

Overcast night

76° 💧 0.040 in 💨 4 mph H 81%29.88 inHg

Friday

1:00 AM

Moderate rain

72° 💧 0.163 in 💨 4 mph H 97%29.91 inHg

4:00 AM

Light rain

69° 💧 0.110 in 💨 6 mph H 95%29.91 inHg

7:00 AM

Light rain

69° 💧 0.007 in 💨 5 mph H 95%29.94 inHg

10:00 AM

Mostly cloudy

73° 💧 0.000 in 💨 8 mph H 77%30.00 inHg

1:00 PM

Overcast

78° 💧 None 💨 6 mph H 61%30.00 inHg

4:00 PM

Overcast

79° 💧 None 💨 5 mph H 56%29.97 inHg

Today

7:00 PM

Sunny

82° 💧 None 💨 10 mph H 58%30.00 inHg

8:00 PM

Clear night

81° 💧 None 💨 10 mph H 57%30.00 inHg

9:00 PM

Clear night

80° 💧 None 💨 11 mph H 58%30.00 inHg

10:00 PM

Clear night

78° 💧 None 💨 12 mph H 59%30.00 inHg

11:00 PM

Clear night

77° 💧 None 💨 12 mph H 60%30.00 inHg

Tomorrow

12:00 AM

Clear night

76° 💧 None 💨 11 mph H 62%30.00 inHg

1:00 AM

Clear night

75° 💧 None 💨 10 mph H 65%29.97 inHg

2:00 AM

Clear night

74° 💧 None 💨 9 mph H 69%29.94 inHg

3:00 AM

Mostly clear night

73° 💧 None 💨 8 mph H 72%29.94 inHg

4:00 AM

Partly cloudy night

73° 💧 0.001 in 💨 7 mph H 75%29.94 inHg

5:00 AM

Light rain

72° 💧 0.010 in 💨 6 mph H 79%29.94 inHg

6:00 AM

Light rain

71° 💧 0.030 in 💨 8 mph H 91%29.94 inHg

7:00 AM

Overcast

71° 💧 0.002 in 💨 7 mph H 93%29.97 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 6 mph H 92%29.97 inHg

9:00 AM

Mostly cloudy

75° 💧 None 💨 6 mph H 86%29.97 inHg

10:00 AM

Mostly cloudy

78° 💧 None 💨 6 mph H 79%29.97 inHg

11:00 AM

Overcast

80° 💧 None 💨 6 mph H 73%29.97 inHg

12:00 PM

Overcast

81° 💧 None 💨 6 mph H 68%29.97 inHg

1:00 PM

Mostly cloudy

82° 💧 None 💨 7 mph H 65%29.94 inHg

2:00 PM

Mostly cloudy

85° 💧 None 💨 10 mph H 56%29.91 inHg

3:00 PM

Overcast

86° 💧 None 💨 9 mph H 54%29.88 inHg

4:00 PM

Mostly cloudy

86° 💧 None 💨 8 mph H 54%29.88 inHg

5:00 PM

Mostly cloudy

86° 💧 0.000 in 💨 7 mph H 54%29.85 inHg

6:00 PM

Partly cloudy

85° 💧 None 💨 4 mph H 58%29.85 inHg

7:00 PM

Mostly cloudy

82° 💧 0.000 in 💨 2 mph H 70%29.85 inHg

8:00 PM

Mostly cloudy night

79° 💧 None 💨 4 mph H 74%29.85 inHg

9:00 PM

Partly cloudy night

78° 💧 0.003 in 💨 3 mph H 75%29.88 inHg

10:00 PM

Overcast night

76° 💧 None 💨 4 mph H 81%29.88 inHg

11:00 PM

Overcast night

76° 💧 None 💨 1 mph H 83%29.91 inHg

Friday

12:00 AM

Light rain

74° 💧 0.040 in 💨 2 mph H 91%29.91 inHg

1:00 AM

Moderate rain

72° 💧 0.115 in 💨 4 mph H 97%29.91 inHg

2:00 AM

Light rain

71° 💧 0.036 in 💨 5 mph H 94%29.91 inHg

3:00 AM

Light rain

70° 💧 0.012 in 💨 6 mph H 94%29.91 inHg

4:00 AM

Light rain

69° 💧 0.047 in 💨 6 mph H 95%29.91 inHg

5:00 AM

Light rain

69° 💧 0.027 in 💨 4 mph H 95%29.91 inHg

6:00 AM

Light rain

69° 💧 0.036 in 💨 4 mph H 96%29.94 inHg

7:00 AM

Light rain

69° 💧 0.007 in 💨 5 mph H 95%29.94 inHg

8:00 AM

Mostly cloudy

69° 💧 None 💨 6 mph H 94%29.97 inHg

9:00 AM

Mostly cloudy

71° 💧 None 💨 7 mph H 89%29.97 inHg

10:00 AM

Mostly cloudy

73° 💧 None 💨 8 mph H 77%30.00 inHg

11:00 AM

Mostly cloudy

74° 💧 0.000 in 💨 8 mph H 70%30.00 inHg

12:00 PM

Partly cloudy

76° 💧 None 💨 7 mph H 66%30.00 inHg

1:00 PM

Overcast

78° 💧 None 💨 6 mph H 61%30.00 inHg

2:00 PM

Overcast

78° 💧 None 💨 5 mph H 59%30.00 inHg

3:00 PM

Overcast

79° 💧 None 💨 5 mph H 57%29.97 inHg

4:00 PM

Overcast

79° 💧 None 💨 5 mph H 56%29.97 inHg

5:00 PM

Overcast

78° 💧 None 💨 4 mph H 57%29.94 inHg

6:00 PM

Mostly cloudy

77° 💧 None 💨 5 mph H 60%29.94 inHg

7:00 PM

Partly cloudy

74° 💧 None 💨 4 mph H 67%29.97 inHg

8:00 PM

Partly cloudy night

71° 💧 None 💨 3 mph H 72%29.97 inHg

9:00 PM

Mostly clear night

70° 💧 None 💨 3 mph H 74%30.00 inHg

10:00 PM

Partly cloudy night

68° 💧 None 💨 3 mph H 77%30.03 inHg

11:00 PM

Mostly cloudy night

67° 💧 None 💨 3 mph H 81%30.03 inHg

Saturday

12:00 AM

Overcast night

66° 💧 None 💨 3 mph H 83%30.03 inHg

1:00 AM

Overcast night

65° 💧 None 💨 3 mph H 84%30.03 inHg

2:00 AM

Overcast night

64° 💧 None 💨 4 mph H 85%30.03 inHg

3:00 AM

Overcast night

63° 💧 None 💨 4 mph H 86%30.03 inHg

4:00 AM

Mostly cloudy night

63° 💧 None 💨 4 mph H 88%30.03 inHg

5:00 AM

Mostly cloudy night

63° 💧 None 💨 5 mph H 87%30.03 inHg

6:00 AM

Overcast night

62° 💧 None 💨 4 mph H 85%30.06 inHg

7:00 AM

Overcast

62° 💧 None 💨 4 mph H 83%30.09 inHg

8:00 AM

Overcast

65° 💧 None 💨 5 mph H 80%30.09 inHg

11:00 AM

Partly cloudy

73° 💧 None 💨 6 mph H 75%30.09 inHg

2:00 PM

Overcast

78° 💧 None 💨 10 mph H 61%30.06 inHg

5:00 PM

Overcast

79° 💧 None 💨 10 mph H 62%30.00 inHg

8:00 PM

Partly cloudy night

74° 💧 None 💨 6 mph H 74%30.00 inHg

11:00 PM

Mostly cloudy night

72° 💧 None 💨 6 mph H 83%30.03 inHg

Sunday

2:00 AM

Mostly cloudy night

70° 💧 None 💨 7 mph H 93%30.03 inHg

5:00 AM

Light rain

69° 💧 None 💨 3 mph H 99%30.03 inHg

8:00 AM

Overcast

70° 💧 None 💨 4 mph H 99%30.03 inHg

11:00 AM

Overcast

77° 💧 None 💨 5 mph H 80%30.06 inHg

2:00 PM

Light rain

82° 💧 None 💨 3 mph H 66%30.00 inHg

5:00 PM

Mostly sunny

83° 💧 None 💨 3 mph H 61%29.97 inHg

8:00 PM

Clear night

76° 💧 None 💨 3 mph H 82%30.00 inHg

11:00 PM

Mostly clear night

74° 💧 None 💨 0 mph H 81%30.06 inHg

Monday

2:00 AM

Partly cloudy night

72° 💧 None 💨 1 mph H 83%30.03 inHg

5:00 AM

Partly cloudy night

69° 💧 None 💨 1 mph H 89%30.03 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 2 mph H 86%30.06 inHg

11:00 AM

Sunny

83° 💧 None 💨 2 mph H 61%30.12 inHg

2:00 PM

Mostly cloudy

88° 💧 None 💨 4 mph H 49%30.06 inHg

5:00 PM

Mostly cloudy

89° 💧 None 💨 4 mph H 45%30.00 inHg

8:00 PM

Partly cloudy night

81° 💧 None 💨 0 mph H 65%30.03 inHg

11:00 PM

Mostly clear night

76° 💧 None 💨 3 mph H 73%30.06 inHg

Tuesday

2:00 AM

Clear night

72° 💧 None 💨 4 mph H 86%30.06 inHg

5:00 AM

Partly cloudy night

70° 💧 None 💨 3 mph H 90%30.09 inHg

8:00 AM

Partly cloudy

72° 💧 None 💨 4 mph H 85%30.12 inHg

2:00 PM

Sunny

91° 💧 None 💨 9 mph H 39%30.09 inHg

8:00 PM

Clear night

82° 💧 None 💨 8 mph H 56%30.09 inHg

Wednesday

2:00 AM

Clear night

73° 💧 None 💨 6 mph H 86%30.12 inHg

8:00 AM

Sunny

73° 💧 None 💨 3 mph H 87%30.15 inHg

2:00 PM

Light rain

91° 💧 None 💨 3 mph H 48%30.09 inHg

8:00 PM

Partly cloudy night

76° 💧 None 💨 4 mph H 95%30.12 inHg

Thursday

2:00 AM

Mostly clear night

72° 💧 None 💨 2 mph H 97%30.12 inHg

8:00 AM

Partly cloudy

72° 💧 None 💨 2 mph H 97%30.12 inHg

2:00 PM

Partly cloudy

88° 💧 None 💨 7 mph H 54%30.03 inHg

8:00 PM

Light thunderstorms

77° 💧 None 💨 3 mph H 90%29.97 inHg

Friday

2:00 AM

Mostly clear night

72° 💧 None 💨 1 mph H 94%29.88 inHg

8:00 AM

Light rain

73° 💧 None 💨 7 mph H 96%29.83 inHg

2:00 PM

Mostly cloudy

68° 💧 None 💨 11 mph H 74%29.91 inHg

8:00 PM

Mostly cloudy night

66° 💧 None 💨 4 mph H 73%29.94 inHg

Saturday

2:00 AM

Overcast night

61° 💧 None 💨 6 mph H 79%29.97 inHg

8:00 AM

Sunny

60° 💧 None 💨 6 mph H 81%30.00 inHg

2:00 PM

Overcast

72° 💧 None 💨 4 mph H 51%29.94 inHg

8:00 PM

Clear night

64° 💧 None 💨 2 mph H 76%29.91 inHg

Sunday

2:00 AM

Overcast night

63° 💧 None 💨 3 mph H 77%29.91 inHg

8:00 AM

Mostly sunny

61° 💧 None 💨 7 mph H 74%29.97 inHg

2:00 PM

Mostly cloudy

74° 💧 None 💨 8 mph H 42%29.97 inHg

8:00 PM

Partly cloudy night

64° 💧 None 💨 6 mph H 69%30.03 inHg

Monday

2:00 AM

Overcast night

54° 💧 None 💨 11 mph H 65%30.12 inHg

8:00 AM

Sunny

50° 💧 None 💨 9 mph H 65%30.18 inHg

2:00 PM

Sunny

65° 💧 None 💨 10 mph H 35%30.18 inHg

8:00 PM

Clear night

57° 💧 None 💨 10 mph H 51%30.24 inHg

Tuesday

2:00 AM

Clear night

50° 💧 None 💨 12 mph H 64%30.36 inHg

8:00 AM

Sunny

48° 💧 None 💨 9 mph H 65%30.42 inHg

2:00 PM

Sunny

63° 💧 None 💨 12 mph H 34%30.39 inHg

8:00 PM

Partly cloudy night

56° 💧 None 💨 9 mph H 45%30.39 inHg

Wednesday

2:00 AM

Mostly cloudy night

50° 💧 None 💨 8 mph H 64%30.42 inHg

8:00 AM

Mostly cloudy

50° 💧 None 💨 8 mph H 65%30.47 inHg

2:00 PM

Mostly cloudy

63° 💧 None 💨 11 mph H 48%30.39 inHg

8:00 PM

Partly cloudy night

59° 💧 None 💨 9 mph H 58%30.36 inHg

Thursday

2:00 AM

Mostly clear night

53° 💧 None 💨 6 mph H 76%30.33 inHg

8:00 AM

Overcast

51° 💧 None 💨 7 mph H 75%30.30 inHg

In Frederick and, more broadly, across the state of Maryland: The evening will feature a mix of sun and clouds, with temperatures remaining mild to warm, ranging from 79 to 84 degrees Fahrenheit. Winds will be coming from the south at around 11 mph, with occasional gusts reaching up to 29 mph, providing some breezy conditions. No precipitation is expected during the evening hours, so outdoor plans can generally proceed without concern for rain. The weather will be fairly stable through the night, with temperatures gradually cooling but staying comfortable. Overall, it should be a pleasant evening with moderate wind and warm temperatures, making it suitable for outdoor activities or relaxing after sunset.

15-Day Weather Outlook for Frederick

TomorrowTomorrow

Mostly sunny 86°/71° 💧 None 💨 12 mph

Friday, Sep 11Fri Sep 11

Mostly cloudy 79°/69° 💧 None 💨 8 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 79°/62° 💧 0.540 in 💨 10 mph

Sunday, Sep 13Sun Sep 13

Light rain 83°/69° 💧 0.074 in 💨 7 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 89°/69° 💧 0.001 in 💨 4 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 91°/70° 💧 None 💨 9 mph

Wednesday, Sep 16Wed Sep 16

Light rain 91°/73° 💧 0.011 in 💨 8 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 88°/72° 💧 0.082 in 💨 7 mph

Friday, Sep 18Fri Sep 18

Light thunderstorms 77°/68° 💧 0.458 in 💨 11 mph

Saturday, Sep 19Sat Sep 19

Mostly cloudy 72°/60° 💧 None 💨 6 mph

Sunday, Sep 20Sun Sep 20

Overcast 74°/61° 💧 None 💨 8 mph

Monday, Sep 21Mon Sep 21

Partly cloudy 65°/50° 💧 None 💨 11 mph

Tuesday, Sep 22Tue Sep 22

Sunny 63°/48° 💧 None 💨 12 mph

Wednesday, Sep 23Wed Sep 23

Mostly cloudy 63°/50° 💧 0.001 in 💨 11 mph

Thursday, Sep 24Thu Sep 24

Partly cloudy 59°/51° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Frederick

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Frederick

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 7:00 PM

PM2.5 Fine particles Good 4,9µg/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 6,4µg/m³

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

O₃ Ozone Fair 93,5µg/m³

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

NO₂ Nitrogen dioxide Good 1,6µg/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 Frederick

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 7,6High 🙂Fair

Tomorrow UV 3,3Moderate 🙂Fair

Friday UV 6,9High 😊Good

Saturday UV 5,8Moderate 🙂Fair

Sunday UV 7,0High 🙂Fair

Monday UV 7,0High —Unavailable

Tuesday UV 8,0Very high —Unavailable

Hourly UV index today

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.

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 Frederick

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · FREDERICK, MARYLAND

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 9:00 PM–5:14 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 3% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 44° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min69%

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 Frederick were last refreshed today at 6:46 PM. The current forecast period extends through 11/09/2026 at 4:00 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.