Weather Forecast for Frederick

Maryland, United States of America

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Mist

Current Weather - Frederick: 6°C

Maryland, United States of America

Mist

Feels like 5°C

Wind

8 km/h SSE

Humidity

100%

Pressure

1023 mb

UV Index

0

Visibility

1 km

Fog

Fog

Thursday, March 05, 2026

High

15°C

Low

7°C

Rain Chance

0%

Hourly Forecast

Fog 9°C
11:00
Mist 10°C
12:00
Mist 11°C
13:00
Overcast 13°C
14:00
Cloudy 14°C
15:00
Overcast 14°C
16:00
Overcast 12°C
17:00
Overcast 11°C
18:00
Thundery outbreaks in nearby 9°C
19:00
Fog 9°C
20:00
Thundery outbreaks in nearby 8°C
21:00
Fog 8°C
22:00
Fog 7°C
23:00
Mar 06

Day Statistics

Maximum Wind

10 km/h

Humidity

97%

Precipitation

0 mm

UV Index

0

Visibility

8 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

06:36 AM

Sunset

06:06 PM

Moonrise

08:41 PM

Moonset

07:26 AM

Moon Phase

Waning Gibbous

Moon Illumination

97%

Air Quality

PM2.5

23.5

μg/m³

PM10

23.8

μg/m³

NO₂

29.2

μg/m³

O₃

24.8

μg/m³

SO₂

6.9

μg/m³

CO

426.2

μg/m³

US EPA Index: 2 GB DEFRA Index: 2

Weather Alerts

Dense Fog Advisory issued March 4 at 11:01PM EST until March 5 at 10:00AM EST by NWS Baltimore MD/Washington DC

Frederick; Carroll; Northern Baltimore; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Northwest Harford; Rockingham; Shenandoah; Page; Madison; Rappahannock; Culpeper; Fairfax; Northern Fauquier; Southern Fauquier; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park Mar 4, 11:01 PM - Mar 5, 07:15 AM
Severity: Moderate Urgency: Expected

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of central, north central, and northern Maryland and northern, northwest, and western Virginia. * WHEN...Until 10 AM EST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Event: Dense Fog Advisory Certainty: Likely Category: Met

Montgomery Mar 5, 06:27 AM - Mar 5, 06:37 AM
Severity: Unknown Urgency: Unknown

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.

Event: Test Message Certainty: Unknown Category: Met

Dense Fog Advisory issued March 4 at 10:53PM EST until March 5 at 4:00AM EST by NWS State College PA

Potter; Northern Clinton; Franklin; Tioga; Northern Lycoming; Sullivan; Southern Clinton; Union; Snyder; Dauphin; Schuylkill; Lebanon; Cumberland; Adams; York; Lancaster Mar 4, 10:53 PM - Mar 5, 04:00 AM
Severity: Moderate Urgency: Expected

* WHAT...Visibility one quarter mile or less in areas of dense fog. * WHERE...A portion of central Pennsylvania. * WHEN...Until 4 AM EST Thursday. * IMPACTS...Hazardous driving conditions due to reduced visibility. Dense fog will be most widespread across higher elevation locations. * ADDITIONAL DETAILS...Rainfall spreading across the area overnight may bring about some improvement in visibilities, with lower visibilities possibly returning as the rain ends.

Consider allowing extra time to reach your destination. If driving, slow down, use your low-beam headlights, and leave plenty of distance ahead of you.

Event: Dense Fog Advisory Certainty: Likely Category: Met