Frost Advisory
Starts in 12 min
When
Until 9 AM EDT Sunday.
Where
In Maryland, Central and Southeast Howard and Central and Southeast Montgomery Counties. In Virginia, Orange, Spotsylvania, Fairfax, Stafford, and Madison Counties.
Issued for this forecast zone · National Weather Service Baltimore MD/Washington DC
What, impacts and precautionsHide details
What
Temperatures as low as 33 will result in frost formation.
Impacts
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Central and Southeast Montgomery; Central and Southeast Howard; Madison; Orange; Fairfax; Stafford; Spotsylvania
See it on weather.gov (opens in a new tab)

Observed 12:30 AM EDT at KDCA

Fort Hunt, VA weather

Partly cloudy and 50°10°.

Mostly agree

Now 50°10°

Partly cloudy

Wind: Calm; Light through 12 PM
Dew point: 45°7°; Comfortable
UV index: 0Low; Moderate 11 AM–5 PM · peak 4
Air quality: 59Moderate; PM2.5 (fine particles) · tomorrow good
Pressure: 30.55 inHg1035 hPa; Steady over the next 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Above 50°10° today by 10 AM
High 68°20° today at 3 PM
Drops 12°7° tonight 6–9 PM (64°18° → 52°11°)
Below 50°10° tonight after 9 PM
Fog tomorrow 5–10 AM

TonightDown to 38°3° by 5 AM · Clear
This morningUp to 59°15° by 11 AM · Clear
This afternoonUp to 68°20° by 3 PM · Clear
TonightDown to 39°4° by 5 AM · Clear
Tomorrow morningUp to 60°16° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 70°21° by 3 PM · Clear
Tomorrow nightDown to 51°11° by 11 PM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sun 12a	Clear	48°9° (likely 47°8° to 49°9°)	48°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	80%	42%	0
Sun 1a	Partly cloudy	44°7° (likely 44°7° to 49°9°)	44°7°	0%	1 mph2 km/h from NW, gusts 3 mph5 km/h	89%	24%	0
Sun 2a	Clear	40°4° (likely 40°4° to 48°9°)	40°4°	0%	1 mph2 km/h from NE, gusts 4 mph6 km/h	100%	3%	0
Sun 3a	Clear	40°4° (likely 40°4° to 47°8°)	40°4°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	100%	1%	0
Sun 4a	Clear	39°4° (likely 39°4° to 46°8°)	39°4°	0%	1 mph2 km/h from N, gusts 5 mph9 km/h	100%	0%	0
Sun 5a	Clear	38°3° (likely 38°3° to 46°8°)	38°3°	0%	1 mph2 km/h from N, gusts 6 mph9 km/h	100%	9%	0
Sun 6a	Clear	38°3° (likely 38°3° to 45°7°)	38°3°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	100%	13%	0
Sun 7a	Sunny	38°3° (likely 38°3° to 45°7°)	38°3°	0%	1 mph2 km/h from N, gusts 5 mph9 km/h	100%	13%	0
Sun 8a	Sunny	38°3° (likely 38°3° to 46°8°)	38°3°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	100%	17%	0
Sun 9a	Sunny	47°8° (likely 46°8° to 49°9°)	47°8°	0%	1 mph2 km/h from N, gusts 5 mph9 km/h	89%	15%	1
Sun 10a	Sunny	54°12° (likely 53°12° to 55°13°)	54°12°	0%	1 mph2 km/h from NE, gusts 6 mph10 km/h	74%	2%	2
Sun 11a	Sunny	59°15° (likely 59°15° to 60°16°)	59°15°	0%	2 mph3 km/h from NE, gusts 7 mph11 km/h	62%	2%	3
Sun 12p	Sunny	62°17° (likely 62°17° to 63°17°)	62°17°	0%	2 mph3 km/h from E, gusts 5 mph9 km/h	56%	2%	4
Sun 1p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	47%	2%	4
Sun 2p	Sunny	67°19° (likely 64°18° to 67°19°)	67°19°	0%	0 mph0 km/h, gusts 4 mph6 km/h	45%	4%	4
Sun 3p	Sunny	68°20° (likely 65°18° to 68°20°)	68°20°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	42%	6%	4
Sun 4p	Mostly sunny	68°20° (likely 65°18° to 68°20°)	68°20°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	43%	8%	3
Sun 5p	Sunny	67°19° (likely 64°18° to 67°19°)	67°19°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	45%	10%	1
Sun 6p	Clear	64°18° (likely 60°16° to 64°18°)	64°18°	0%	1 mph2 km/h from SE, gusts 4 mph7 km/h	50%	11%	0
Sun 7p	Clear	58°14° (likely 55°13° to 59°15°)	58°14°	0%	2 mph3 km/h from SE, gusts 3 mph6 km/h	62%	16%	0
Sun 8p	Clear	52°11° (likely 52°11° to 56°13°)	52°11°	0%	2 mph3 km/h from SE, gusts 3 mph5 km/h	80%	2%	0
Sun 9p	Clear	49°9° (likely 49°9° to 53°12°)	49°9°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	86%	0%	0
Sun 10p	Clear	46°8° (likely 46°8° to 52°11°)	46°8°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	96%	1%	0
Sun 11p	Clear	45°7° (likely 45°7° to 51°11°)	45°7°	0%	0 mph0 km/h, gusts 3 mph4 km/h	96%	0%	0
Mon 12a	Clear	44°7° (likely 44°7° to 50°10°)	44°7°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	0%	0
Mon 1a	Clear	41°5° (likely 41°5° to 50°10°)	41°5°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	1%	0
Mon 2a	Clear	40°4° (likely 40°4° to 48°9°)	40°4°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	1%	0
Mon 3a	Clear	40°4° (likely 40°4° to 48°9°)	40°4°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	1%	0
Mon 4a	Clear	40°4° (likely 40°4° to 46°8°)	40°4°	0%	1 mph2 km/h from W, gusts 3 mph4 km/h	100%	5%	0
Mon 5a	Fog	39°4° (likely 39°4° to 45°7°)	39°4°	0%	1 mph2 km/h from W, gusts 2 mph3 km/h	100%	40%	0
Mon 6a	Fog	39°4° (likely 39°4° to 45°7°)	39°4°	0%	1 mph2 km/h from NW, gusts 2 mph3 km/h	100%	51%	0
Mon 7a	Fog	39°4° (likely 39°4° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	53%	0
Mon 8a	Fog	39°4° (likely 39°4° to 45°7°)	39°4°	0%	1 mph2 km/h from SW, gusts 2 mph3 km/h	100%	60%	0
Mon 9a	Fog	47°8° (likely 44°7° to 48°9°)	47°8°	0%	1 mph2 km/h from W, gusts 2 mph4 km/h	93%	60%	1
Mon 10a	Mostly sunny	54°12° (likely 53°12° to 54°12°)	54°12°	0%	2 mph3 km/h from W, gusts 8 mph12 km/h	77%	30%	2
Mon 11a	Sunny	60°16° (likely 58°14° to 60°16°)	60°16°	0%	2 mph3 km/h from W, gusts 8 mph13 km/h	64%	3%	3
Mon 12p	Sunny	64°18° (likely 63°17° to 65°18°)	64°18°	0%	3 mph5 km/h from W, gusts 10 mph16 km/h	56%	1%	4
Mon 1p	Sunny	67°19° (likely 66°19° to 68°20°)	67°19°	0%	3 mph5 km/h from NW, gusts 9 mph15 km/h	49%	0%	4
Mon 2p	Sunny	69°21° (likely 68°20° to 70°21°)	69°21°	0%	5 mph8 km/h from NW, gusts 10 mph16 km/h	45%	0%	4
Mon 3p	Sunny	70°21° (likely 69°21° to 71°22°)	70°21°	0%	5 mph8 km/h from NW, gusts 10 mph16 km/h	42%	6%	4
Mon 4p	Sunny	70°21° (likely 69°21° to 71°22°)	70°21°	0%	3 mph5 km/h from NW, gusts 10 mph16 km/h	42%	0%	3
Mon 5p	Sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	3 mph5 km/h from NW, gusts 10 mph15 km/h	42%	0%	1
Mon 6p	Clear	66°19° (likely 64°18° to 66°19°)	66°19°	0%	2 mph3 km/h from NW, gusts 6 mph10 km/h	48%	0%	0
Mon 7p	Clear	62°17° (likely 59°15° to 62°17°)	62°17°	0%	2 mph3 km/h from NW, gusts 4 mph7 km/h	58%	0%	0
Mon 8p	Clear	57°14° (likely 56°13° to 58°14°)	57°14°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	69%	0%	0
Mon 9p	Clear	54°12° (likely 54°12° to 56°13°)	54°12°	0%	1 mph2 km/h from W, gusts 2 mph3 km/h	74%	1%	0
Mon 10p	Clear	53°12° (likely 52°11° to 55°13°)	53°12°	0%	1 mph2 km/h from W, gusts 2 mph4 km/h	77%	3%	0
Mon 11p	Clear	51°11° (likely 50°10° to 54°12°)	51°11°	0%	2 mph3 km/h from W, gusts 3 mph5 km/h	86%	3%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 25. Fog. High 68°20°, low 38°3°. Typical 66°19° / 49°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Official NWS forecast
Today: Areas of frost and patchy fog before 9am. Sunny, with a high near 68. East wind around 2 mph.
Tonight: Areas of frost between 1am and 2am, then areas of frost and patchy fog. Mostly clear, with a low around 38. North wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–68°20°
Low, likely
38°3°–44°7°
Typical high / low
66°19° / 49°9°
Wind
5 mph8 km/h
UV peak
4
Tomorrow, Oct 26. Fog. High 70°21°, low 48°9°. Typical 66°19° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Fog, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°10°
  Dry
Official NWS forecast
Day: Patchy fog before 9am. Sunny, with a high near 70. West wind 0 to 5 mph.
Night: Clear, with a low around 48. Northwest wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
41°5°–48°9°
Typical high / low
66°19° / 48°9°
Wind
6 mph9 km/h, gusts 14 mph22 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 70°21°, low 46°8°. Typical 65°18° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70.
Night: Mostly clear, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–70°21°
Low, likely
46°8°–51°11°
Typical high / low
65°18° / 48°9°
Wind
7 mph12 km/h, gusts 18 mph29 km/h
UV peak
4
Wednesday, Oct 28. Mostly cloudy. High 67°19°, low 49°9°. Typical 65°18° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 67.
Night: Mostly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–68°20°
Low, likely
45°7°–50°10°
Typical high / low
65°18° / 48°9°
Wind
6 mph9 km/h, gusts 18 mph29 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 72°22°, low 50°10°. Typical 65°18° / 47°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 72.
Night: Mostly clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–72°22°
Low, likely
47°8°–51°11°
Typical high / low
65°18° / 47°8°
Wind
6 mph10 km/h, gusts 22 mph35 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 75°24°, low 52°11°. Typical 64°18° / 47°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 75.
Night: Mostly clear, with a low around 52.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
75°24°–77°25°
Low, likely
48°9°–52°11°
Typical high / low
64°18° / 47°8°
Wind
5 mph8 km/h, gusts 11 mph18 km/h
UV peak
4
Saturday, Oct 31. Partly sunny. High 73°23°, low 52°11°. Typical 64°18° / 46°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 73.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–73°23°
Low, likely
49°9°–54°12°
Typical high / low
64°18° / 46°8°
Wind
8 mph13 km/h, gusts 21 mph33 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 72°22°, low 54°12°. Typical 64°18° / 46°8°. Rain 0.02 in0.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  20% chance
3. Evening
  6 PM–midnight
  Drizzle, 65°18°
  20% chance · 0.03 in0.9 mm
4. Overnight
  midnight–6 AM
  Showers, 63°17°
  30% chance · 0.06 in1.5 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
68°20°–76°24°
Low, likely
51°11°–57°14°
Typical high / low
64°18° / 46°8°
Wind
9 mph15 km/h, gusts 29 mph47 km/h
UV peak
4
Monday, Nov 2. Showers. High 74°23°, low 61°16°. Typical 63°17° / 46°8°. Rain 0.21 in5.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Showers, 64°18°
  30% chance · 0.04 in1.1 mm
2. Afternoon
  noon–6 PM
  Cloudy, 74°24°
  20% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Clear, 66°19°
  20% chance · 0.15 in3.9 mm
4. Overnight
  midnight–6 AM
  Clear, 60°15°
  20% chance · 0.18 in4.5 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
72°22°–79°26°
Low, likely
57°14°–68°20°
Typical high / low
63°17° / 46°8°
Wind
17 mph27 km/h, gusts 37 mph59 km/h
UV peak
2
Tuesday, Nov 3. Cloudy. High 73°23°, low 59°15°. Typical 63°17° / 45°7°. Rain 0.1 in2.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 62°16°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
68°20°–81°27°
Low, likely
55°13°–62°17°
Typical high / low
63°17° / 45°7°
Wind
15 mph24 km/h, gusts 34 mph54 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 68°, low 38°.
Tomorrow
Dry, high 70°, low 48°.
Tuesday
Dry, high 70°, low 46°.
Rest of week
Mostly dry, highs 67–75°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (LWX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Potomac River at Alexandria

4.9 mi

Below flood stage

Level: 1.2 ft

Forecast peak 3.2 ft Sun 7 AM, action stage

Reading from Sat 11:42 PM · NWS gauge page

Little Hunting Creek Trib at Audubon Ave

2.0 mi

Below flood stage

Level: 19.1 ft

Reading from Sat 11:50 PM · NWS gauge page

Unnamed Tributary at New Alexandria Storm Water Pumping Station - Downstream

2.8 mi

Below flood stage

Level: 2.6 ft

Reading from Sat 11:50 PM · NWS gauge page

Unnamed Tributary at New Alexandria Pump Station - Upstream

2.8 mi

Below flood stage

Level: 1.4 ft

Reading from Sun 12 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 57% less heating than a typical week.

This week 26Typical 61

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 21
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 15 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Today, 12:00 PM–6:00 PM

Good stretch to open the windows.

Is this typical?

Washington Reagan National Airport · official normals 1991–2020 · records 1872–2026

Oct 25, today vs a typical year

Today’s expected high is 2°1° warmer than typical.

Last 7 days vs normal

On average 1° colder than normal (daily mean temperature).

−4°−2°MonOct 19
+1°±0°TueOct 20
±0°WedOct 21
−1°ThuOct 22
−1°FriOct 23
—SatOct 24
—SunOct 25

Fort Hunt weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 49 min; Losing 2 min 16 s a day; shortest Dec 21, 1 h 21 min less
Golden hour: 5:39–6:33 PM; Morning 7:11–8:04 AM
Blue hour: 6:33–6:43 PM; Morning 7:00–7:11 AM; first light 7:00 AM

Stars tonight? Fair

Mostly clear 1–7 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

99% lit · growing

Today: sets 6:49 AM · rises 5:42 PM
Full moon: Oct 26
New moon: Nov 9

Looking south from Fort Hunt. Water in view.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

1 active weather alert

Frost Advisory

Fort Hunt, VA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Tuesday

Rest of week

What changed since yesterday

Radar

Rivers

Potomac River at Alexandria

Little Hunting Creek Trib at Audubon Ave

Unnamed Tributary at New Alexandria Storm Water Pumping Station - Downstream

Unnamed Tributary at New Alexandria Pump Station - Upstream

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 25, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon