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 12:15 AM EDT at KRMN

Southern Gateway, VA weather

Overcast and 45°7°.

Forecasts agree

Now 45°7°

Cloudy

Wind: Calm; Light through 12 PM
Dew point: 41°5°; Comfortable
UV index: 0Low; Moderate 11 AM–5 PM · peak 4
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

2°1° warmer than this time yesterday (43°6° then, 45°7° now)

Good hours for

Fog today 6–10 AM
Above 50°10° today by 10 AM
High 67°19° today at 3 PM
Drops 13°7° tonight 6–9 PM (61°16° → 48°9°)
Below 50°10° tonight after 8 PM

TonightDown to 38°3° by 3 AM · Clear
This morningUp to 57°14° by 11 AM · Clear
This afternoonUp to 67°19° by 3 PM · Clear
TonightDown to 35°2° by 4 AM · Clear
Tomorrow morningUp to 59°15° by 11 AM · Clear
Tomorrow afternoonUp to 70°21° by 3 PM · Clear
Tomorrow nightDown to 48°9° 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	47°8° (likely 45°7° to 49°9°)	47°8°	0%	0 mph0 km/h, gusts 4 mph7 km/h	79%	12%	0
Sun 1a	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	0 mph0 km/h, gusts 5 mph8 km/h	89%	12%	0
Sun 2a	Clear	39°4° (likely 39°4° to 47°8°)	39°4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	1%	0
Sun 3a	Clear	38°3° (likely 38°3° to 46°8°)	38°3°	0%	0 mph0 km/h, gusts 5 mph9 km/h	100%	3%	0
Sun 4a	Clear	38°3° (likely 38°3° to 45°7°)	38°3°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	7%	0
Sun 5a	Clear	38°3° (likely 38°3° to 45°7°)	38°3°	0%	1 mph2 km/h from N, gusts 6 mph10 km/h	100%	13%	0
Sun 6a	Fog	37°3° (likely 37°3° to 44°7°)	37°3°	0%	1 mph2 km/h from N, gusts 6 mph10 km/h	100%	21%	0
Sun 7a	Fog	37°3° (likely 37°3° to 44°7°)	37°3°	0%	1 mph2 km/h from N, gusts 6 mph10 km/h	100%	26%	0
Sun 8a	Fog	37°3° (likely 37°3° to 45°7°)	37°3°	0%	1 mph2 km/h from N, gusts 6 mph10 km/h	100%	29%	0
Sun 9a	Fog	43°6° (likely 43°6° to 49°9°)	43°6°	0%	1 mph2 km/h from N, gusts 6 mph9 km/h	100%	26%	1
Sun 10a	Sunny	53°12° (likely 53°12° to 54°12°)	53°12°	0%	1 mph2 km/h from NE, gusts 7 mph11 km/h	80%	13%	2
Sun 11a	Sunny	57°14° (likely 57°14° to 59°15°)	57°14°	0%	2 mph3 km/h from NE, gusts 8 mph13 km/h	69%	11%	3
Sun 12p	Sunny	61°16° (likely 60°16° to 62°17°)	61°16°	0%	2 mph3 km/h from E, gusts 7 mph12 km/h	60%	11%	4
Sun 1p	Mostly sunny	65°18° (likely 63°17° to 65°18°)	65°18°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	48%	13%	4
Sun 2p	Mostly sunny	66°19° (likely 64°18° to 66°19°)	66°19°	0%	2 mph3 km/h from E, gusts 5 mph7 km/h	47%	16%	4
Sun 3p	Sunny	67°19° (likely 65°18° to 67°19°)	67°19°	0%	2 mph3 km/h from E, gusts 4 mph7 km/h	45%	10%	4
Sun 4p	Mostly sunny	67°19° (likely 65°18° to 67°19°)	67°19°	0%	2 mph3 km/h from E, gusts 4 mph7 km/h	45%	11%	3
Sun 5p	Sunny	66°19° (likely 64°18° to 66°19°)	66°19°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	47%	8%	2
Sun 6p	Clear	61°16° (likely 60°16° to 62°17°)	61°16°	0%	0 mph0 km/h, gusts 6 mph9 km/h	56%	1%	0
Sun 7p	Clear	55°13° (likely 55°13° to 58°14°)	55°13°	0%	0 mph0 km/h, gusts 6 mph10 km/h	72%	4%	0
Sun 8p	Clear	48°9° (likely 48°9° to 55°13°)	48°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	3%	0
Sun 9p	Clear	45°7° (likely 45°7° to 54°12°)	45°7°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	6%	0
Sun 10p	Clear	43°6° (likely 43°6° to 52°11°)	43°6°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	2%	0
Sun 11p	Clear	40°4° (likely 40°4° to 51°11°)	40°4°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	0%	0
Mon 12a	Clear	39°4° (likely 39°4° to 50°10°)	39°4°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	1%	0
Mon 1a	Clear	38°3° (likely 38°3° to 49°9°)	38°3°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	0%	0
Mon 2a	Clear	36°2° (likely 36°2° to 47°8°)	36°2°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	0%	0
Mon 3a	Clear	36°2° (likely 36°2° to 47°8°)	36°2°	0%	0 mph0 km/h, gusts 5 mph9 km/h	100%	11%	0
Mon 4a	Clear	35°2° (likely 35°2° to 46°8°)	35°2°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	12%	0
Mon 5a	Clear	35°2° (likely 35°2° to 45°7°)	35°2°	0%	1 mph2 km/h from W, gusts 6 mph9 km/h	100%	14%	0
Mon 6a	Clear	35°2° (likely 35°2° to 44°7°)	35°2°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	21%	0
Mon 7a	Sunny	35°2° (likely 35°2° to 43°6°)	35°2°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	22%	0
Mon 8a	Sunny	35°2° (likely 35°2° to 44°7°)	35°2°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	100%	21%	0
Mon 9a	Sunny	42°6° (likely 42°6° to 49°9°)	42°6°	0%	1 mph2 km/h from W, gusts 6 mph9 km/h	100%	15%	1
Mon 10a	Sunny	53°12° (likely 53°12° to 55°13°)	53°12°	0%	1 mph2 km/h from W, gusts 7 mph12 km/h	86%	13%	2
Mon 11a	Sunny	59°15° (likely 59°15° to 61°16°)	59°15°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	69%	0%	3
Mon 12p	Sunny	64°18° (likely 63°17° to 66°19°)	64°18°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	58%	5%	4
Mon 1p	Sunny	67°19° (likely 66°19° to 69°21°)	67°19°	0%	2 mph3 km/h from NW, gusts 6 mph9 km/h	50%	1%	5
Mon 2p	Sunny	69°21° (likely 67°19° to 71°22°)	69°21°	0%	3 mph5 km/h from NW, gusts 7 mph12 km/h	47%	0%	4
Mon 3p	Sunny	70°21° (likely 68°20° to 72°22°)	70°21°	0%	3 mph5 km/h from NW, gusts 7 mph12 km/h	44%	0%	4
Mon 4p	Sunny	70°21° (likely 68°20° to 71°22°)	70°21°	0%	2 mph3 km/h from NW, gusts 7 mph12 km/h	44%	1%	3
Mon 5p	Sunny	69°21° (likely 67°19° to 70°21°)	69°21°	0%	2 mph3 km/h from NW, gusts 8 mph12 km/h	47%	1%	2
Mon 6p	Clear	64°18° (likely 63°17° to 66°19°)	64°18°	0%	0 mph0 km/h, gusts 5 mph7 km/h	60%	0%	0
Mon 7p	Clear	58°14° (likely 58°14° to 61°16°)	58°14°	0%	0 mph0 km/h, gusts 3 mph4 km/h	75%	0%	0
Mon 8p	Clear	54°12° (likely 54°12° to 58°14°)	54°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	83%	0%	0
Mon 9p	Clear	51°11° (likely 51°11° to 54°12°)	51°11°	0%	0 mph0 km/h, gusts 2 mph4 km/h	89%	0%	0
Mon 10p	Clear	49°9° (likely 48°9° to 54°12°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	93%	1%	0
Mon 11p	Clear	48°9° (likely 47°8° to 53°12°)	48°9°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	96%	1%	0

Days ahead

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

Today, Oct 25. Fog. High 67°19°, low 37°3°. Typical 66°19° / 46°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Fog, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Today: Areas of frost and patchy fog before 10am. Sunny, with a high near 67. Northeast wind around 2 mph.
Tonight: Areas of frost between 1am and 2am, then areas of frost and patchy fog. Partly cloudy, with a low around 37. North wind around 1 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
65°18°–67°19°
Low, likely
37°3°–44°7°
Typical high / low
66°19° / 46°8°
Wind
5 mph9 km/h, gusts 11 mph17 km/h
UV peak
4
Tomorrow, Oct 26. Sunny. High 70°21°, low 46°8°. Typical 65°18° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°10°
  Dry
Official NWS forecast
Day: Patchy frost and patchy fog before 10am. Sunny, with a high near 70. Northwest wind 0 to 3 mph.
Night: Clear, with a low around 46. Northwest wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–72°22°
Low, likely
40°4°–46°8°
Typical high / low
65°18° / 46°8°
Wind
6 mph9 km/h
UV peak
5
Tuesday, Oct 27. Mostly sunny. High 70°21°, low 45°7°. Typical 65°18° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70.
Night: Partly cloudy, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
45°7°–50°10°
Typical high / low
65°18° / 45°7°
Wind
8 mph12 km/h, gusts 19 mph30 km/h
UV peak
4
Wednesday, Oct 28. Mostly cloudy. High 67°19°, low 47°8°. Typical 64°18° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  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 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–67°19°
Low, likely
46°8°–48°9°
Typical high / low
64°18° / 45°7°
Wind
7 mph11 km/h, gusts 13 mph21 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 71°22°, low 49°9°. Typical 64°18° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 71.
Night: Mostly clear, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–72°22°
Low, likely
47°8°–49°9°
Typical high / low
64°18° / 45°7°
Wind
7 mph11 km/h, gusts 18 mph29 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 75°24°, low 51°11°. Typical 64°18° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 54°12°
  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 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–77°25°
Low, likely
46°8°–51°11°
Typical high / low
64°18° / 44°7°
Wind
8 mph13 km/h
UV peak
4
Saturday, Oct 31. Partly sunny. High 72°22°, low 51°11°. Typical 63°17° / 44°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 72.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–73°23°
Low, likely
48°9°–54°12°
Typical high / low
63°17° / 44°7°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 72°22°, low 54°12°. Typical 63°17° / 44°7°. Rain 0.03 in0.8 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 64°18°
  20% chance · 0.04 in1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 62°17°
  30% chance · 0.04 in1.1 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–75°24°
Low, likely
51°11°–56°13°
Typical high / low
63°17° / 44°7°
Wind
8 mph13 km/h, gusts 28 mph46 km/h
UV peak
4
Monday, Nov 2. Drizzle. High 75°24°, low 61°16°. Typical 63°17° / 43°6°. Rain 0.39 in9.9 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 64°18°
  30% chance · 0.03 in0.7 mm
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°18°
  20% chance · 0.35 in8.9 mm
4. Overnight
  midnight–6 AM
  Clear, 59°15°
  20% chance · 0.15 in3.7 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
73°23°–78°26°
Low, likely
57°14°–67°19°
Typical high / low
63°17° / 43°6°
Wind
15 mph24 km/h, gusts 36 mph58 km/h
UV peak
2
Tuesday, Nov 3. Cloudy. High 73°23°, low 59°15°. Typical 62°17° / 43°6°. Rain 0.07 in1.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 62°17°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 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
67°19°–80°27°
Low, likely
55°13°–62°17°
Typical high / low
62°17° / 43°6°
Wind
16 mph26 km/h, gusts 37 mph59 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 67°, low 37°.
Tomorrow
Dry, high 70°, low 46°, warming up.
Tuesday
Dry, high 70°, low 45°.
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

Rappahannock River above Fredericksburg

2.9 mi

Below flood stage

Level: 2.2 ft
Flow: 347 cfs

Forecast peak 2.2 ft Sun 2 AM

Reading from Sat 11 PM · NWS gauge page

Rappahannock River at Remington

21 mi

Below flood stage

Level: 3.2 ft
Flow: 228 cfs

Forecast peak 3.1 ft Sun 2 AM

Reading from Sat 11:15 PM · NWS gauge page

Rappahannock River at Fredericksburg

3.7 mi

Below flood stage

Level: 5.0 ft
Flow: 9,960 cfs

Reading from Sat 11:45 PM · NWS gauge page

Aquia Creek near Garrisonville

11 mi

Below flood stage

Level: 0.5 ft
Flow: 1 cfs

Reading from Sat 11:30 PM · NWS gauge page

For your home

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

Heating this week

About 58% less heating than a typical week.

This week 30Typical 72

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 22
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 18 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 41°F).

Open the windows?

Today, 12:00 PM–6:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Quantico Mcas · official normals 1991–2020 · records 1945–2026

Oct 25, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 0° warmer than normal (daily mean temperature).

−3°−2°MonOct 19
+4°+2°TueOct 20
+1°±0°WedOct 21
+2°+1°ThuOct 22
±0°FriOct 23
—SatOct 24
—SunOct 25

Southern Gateway weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 50 min; Losing 2 min 16 s a day; shortest Dec 21, 1 h 20 min less
Golden hour: 5:41–6:35 PM; Morning 7:12–8:05 AM
Blue hour: 6:35–6:45 PM; Morning 7:01–7:12 AM; first light 7:01 AM

Stars tonight? Fair

Mostly clear 12:48–7 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

99% lit · growing

Today: sets 6:51 AM · rises 5:44 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Southern Gateway. The highest point on the skyline is about 4,000 ft, 50 mi away.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

Southern Gateway, VA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Tuesday

Rest of week

What changed since yesterday

Radar

Rivers

Rappahannock River above Fredericksburg

Rappahannock River at Remington

Rappahannock River at Fredericksburg

Aquia Creek near Garrisonville

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