Local weather forecast

Weather in Dahlgren, VA

Updated 2026-09-26 13:30 local time · ZIP codes 22448

Now63°F

Patchy rain nearby

High / Low67° / 58°

Rain chance57%

Wind15 mph

Weather alerts

Active alerts

Coastal Flood Advisory issued September 26 at 3:18AM EDT until September 28 at 8:00AM EDT by NWS Baltimore MD/Washington DC

* WHAT...Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE...Shoreline in Charles and King George Counties. * WHEN...Until 8 AM EDT Monday, especially around the time of high tide. * IMPACTS...At 3.5 feet, water reaches yards near Cobb Island and docks near Dahlgren. * ADDITIONAL DETAILS...Tides one and a half to two feet above normal. The next high tides at Goose Bay are 4:15 AM and 4:29 PM. The next high tides at Dahlgren are 3:17 PM and 3:35 AM.

Safety instructions

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

Coastal Flood Advisory issued September 26 at 8:36AM EDT until September 28 at 8:00AM EDT by NWS Baltimore MD/Washington DC

* WHAT...Around two feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE...Shoreline in Charles and King George Counties. * WHEN...Until 8 AM EDT Monday, especially around the time of high tide. * IMPACTS...At 3.5 feet, water reaches yards near Cobb Island and docks near Dahlgren. * ADDITIONAL DETAILS...Tides two to two and a half feet above normal. The next high tide at Indian Head is at 8:23 PM and 8:47 AM. The next high tide at Goose Bay is at 4:29 PM and 4:53 AM. The next high tide at Dahlgren is at 3:17 PM and 3:35 AM.

Safety instructions

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

Hourly

Next hours

Now

63°18% rain

2 PM

65°18% rain

3 PM

65°21% rain

4 PM

65°26% rain

5 PM

62°35% rain

6 PM

64°35% rain

7 PM

64°17% rain

8 PM

63°37% rain

9 PM

60°59% rain

10 PM

60°38% rain

11 PM

60°30% rain

12 AM

60°29% rain

Forecast

3-day weather forecast

Today2026-09-26

67° 58°Patchy rain nearby

Rain 57%Gust 19 mph

Tomorrow2026-09-27

75° 60°Overcast

Rain 18%Gust 19 mph

Monday2026-09-28

68° 59°Overcast

Rain 61%Gust 10 mph

Conditions

Weather details

Feels like55°F

Humidity68%

Pressure29.90 inHg

Visibility6 mi

Wind15 mph N

Wind gusts30 mph

Precipitation0.00 in

UV index1

Daylight

Sunrise, sunset and moon

Sunrise06:59 AM

Sunset06:59 PM

Moonrise06:49 PM

Moon phaseFull Moon

Next 24 hours

Key weather changes ahead

Warmest hour11 AM · 68°F

Coolest hour9 PM · 60°F

Highest rain chance9 PM · 59%

Strongest gusts8 PM · 35 mph

Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 59% over the next 12 hours.

Light layers should work

It feels like 55°F with winds near 15 mph.

Best window: 3 PM

65°F, 21% rain chance and 13 mph wind.

Use extra caution while driving

Visibility is around 6 mi; gusts may reach 35 mph.

Run with a few weather adjustments

Current temperature is 63°F, wind 15 mph, rain chance up to 59%.

Low UV protection needs

UV index is 1.

Local weather characteristics in Dahlgren

Virginia ranges from Atlantic coastal plain to Appalachian highlands. Summers are generally warm and humid, while mountain areas are cooler and winter conditions vary substantially statewide.

Dahlgren is part of the South weather region. The forecast point is near 38.33°N latitude and 77.05°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.

Dahlgren weather today

Patchy rain nearby and 63°F in Dahlgren, VA. Today's high is 67°F with a 57% rain chance. Winds are around 15 mph with gusts near 30 mph. Relative humidity is 68%, pressure is 29.90 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Dahlgren

Sunrise is at 06:59 AM and sunset is at 06:59 PM. Tomorrow's forecast calls for Overcast with a high near 75°F and a low near 60°F. The maximum rain chance is 18%.

Nearby

Weather near Dahlgren

King George, VA~8 mi away Colonial Beach, VA~11 mi away Port Royal, VA~15 mi away Rappahannock Academy, VA~15 mi away Loretto, VA~15 mi away Montross, VA~20 mi away Hustle, VA~21 mi away Caret, VA~21 mi away

Virginia

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