Frost Advisory
Starts in 6 h 31 min
When
From 1 AM to 9 AM EDT Monday.
Where
Portions of central and northern Maryland, and central and northern Virginia.
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.
Additional details
The lowest temperatures and subsequent frost potential are expected in valleys and other low lying locations.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Carroll; Northern Baltimore; Cecil; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Northwest Harford; Southeast Harford; Albemarle; Greene; Madison; Rappahannock; Orange; Culpeper; Fairfax; Stafford; Spotsylvania; Northern Fauquier; Southern Fauquier; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park
See it on weather.gov (opens in a new tab)

Observed 5:35 PM EDT at KRMN

Spotsylvania Courthouse, VA weather

Sunny and 64°18°.

Mostly agree

Now 64°18°

Sunny

Wind: 5 mph8 km/h; From the east. Light through 6 AM
Dew point: 46°8°; Comfortable · down to 37°3° by 1 AM
UV tomorrow: 5Moderate; Moderate 11 AM–5 PM · peak 5
Pressure: 30.47 inHg1032 hPa; Falling · −0.04 inHg−1.5 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

3°2° warmer than this time yesterday (61°16° then, 64°18° now)

Good hours for

Drops 15°8° until 9 PM (60°16° → 45°7°)
Below 50°10° tonight after 8 PM
Above 50°10° tomorrow by 10 AM
High 70°21° tomorrow at 3 PM
Drops 13°7° tomorrow night 6–9 PM (65°18° → 52°11°)

TonightDown to 35°2° by 3 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonUp to 70°21° by 3 PM · Clear
Tomorrow nightDown to 45°7° by 4 AM · Clear
Tuesday morningUp to 61°16° by 11 AM · Clear
Tuesday afternoonUp to 70°21° by 3 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 6p	Clear	60°16° (likely 59°15° to 64°18°)	60°16°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	60%	0%	0
Sun 7p	Clear	51°11° (likely 51°11° to 59°15°)	51°11°	0%	0 mph0 km/h, gusts 4 mph6 km/h	83%	1%	0
Sun 8p	Clear	45°7° (likely 45°7° to 57°14°)	45°7°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	1%	0
Sun 9p	Clear	44°7° (likely 44°7° to 54°12°)	44°7°	0%	0 mph0 km/h, gusts 7 mph11 km/h	100%	1%	0
Sun 10p	Clear	42°6° (likely 42°6° to 53°12°)	42°6°	0%	0 mph0 km/h, gusts 8 mph13 km/h	100%	0%	0
Sun 11p	Clear	40°4° (likely 40°4° to 51°11°)	40°4°	0%	0 mph0 km/h, gusts 7 mph12 km/h	100%	0%	0
Mon 12a	Clear	38°3° (likely 38°3° to 50°10°)	38°3°	0%	0 mph0 km/h, gusts 6 mph10 km/h	100%	0%	0
Mon 1a	Clear	37°3° (likely 37°3° to 49°9°)	37°3°	0%	0 mph0 km/h, gusts 6 mph10 km/h	100%	3%	0
Mon 2a	Clear	37°3° (likely 37°3° to 48°9°)	37°3°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	12%	0
Mon 3a	Clear	35°2° (likely 35°2° to 46°8°)	35°2°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	15%	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%	17%	0
Mon 5a	Clear	35°2° (likely 35°2° to 45°7°)	35°2°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	100%	25%	0
Mon 6a	Clear	35°2° (likely 35°2° to 44°7°)	35°2°	0%	0 mph0 km/h, gusts 6 mph10 km/h	100%	24%	0
Mon 7a	Sunny	34°1° (likely 34°1° to 44°7°)	34°1°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	100%	24%	0
Mon 8a	Sunny	34°1° (likely 34°1° to 44°7°)	34°1°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	100%	24%	0
Mon 9a	Sunny	41°5° (likely 41°5° to 49°9°)	41°5°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	100%	17%	1
Mon 10a	Sunny	50°10° (likely 50°10° to 56°13°)	50°10°	0%	1 mph2 km/h from W, gusts 9 mph15 km/h	83%	15%	2
Mon 11a	Sunny	57°14° (likely 57°14° to 63°17°)	57°14°	0%	2 mph3 km/h from W, gusts 9 mph14 km/h	67%	0%	3
Mon 12p	Sunny	62°17° (likely 62°17° to 66°19°)	62°17°	0%	2 mph3 km/h from NW, gusts 7 mph11 km/h	56%	2%	4
Mon 1p	Sunny	66°19° (likely 66°19° to 69°21°)	66°19°	0%	2 mph3 km/h from NW, gusts 5 mph8 km/h	47%	0%	5
Mon 2p	Sunny	69°21° (likely 68°20° to 71°22°)	69°21°	0%	2 mph3 km/h from NW, gusts 6 mph10 km/h	42%	0%	4
Mon 3p	Sunny	70°21° (likely 69°21° to 72°22°)	70°21°	0%	2 mph3 km/h from NW, gusts 8 mph13 km/h	41%	0%	4
Mon 4p	Sunny	70°21° (likely 68°20° to 71°22°)	70°21°	0%	2 mph3 km/h from NW, gusts 8 mph12 km/h	41%	0%	3
Mon 5p	Sunny	69°21° (likely 67°19° to 71°22°)	69°21°	0%	0 mph0 km/h, gusts 5 mph9 km/h	42%	0%	2
Mon 6p	Clear	65°18° (likely 62°17° to 67°19°)	65°18°	0%	0 mph0 km/h, gusts 4 mph7 km/h	48%	2%	0
Mon 7p	Clear	59°15° (likely 58°14° to 62°17°)	59°15°	0%	0 mph0 km/h, gusts 3 mph5 km/h	60%	0%	0
Mon 8p	Clear	52°11° (likely 52°11° to 59°15°)	52°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	77%	0%	0
Mon 9p	Clear	50°10° (likely 50°10° to 57°14°)	50°10°	0%	0 mph0 km/h, gusts 4 mph6 km/h	86%	0%	0
Mon 10p	Clear	49°9° (likely 49°9° to 54°12°)	49°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	93%	1%	0
Mon 11p	Clear	48°9° (likely 48°9° to 53°12°)	48°9°	0%	0 mph0 km/h, gusts 6 mph10 km/h	93%	1%	0
Tue 12a	Clear	47°8° (likely 47°8° to 51°11°)	47°8°	0%	0 mph0 km/h, gusts 7 mph12 km/h	96%	2%	0
Tue 1a	Mostly clear	47°8° (likely 47°8° to 51°11°)	47°8°	0%	1 mph2 km/h from NW, gusts 8 mph13 km/h	96%	37%	0
Tue 2a	Mostly clear	46°8° (likely 46°8° to 50°10°)	46°8°	0%	1 mph2 km/h from NW, gusts 7 mph11 km/h	100%	35%	0
Tue 3a	Mostly clear	46°8° (likely 46°8° to 50°10°)	46°8°	0%	1 mph2 km/h from NW, gusts 7 mph11 km/h	100%	35%	0
Tue 4a	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	1 mph2 km/h from NW, gusts 8 mph12 km/h	100%	1%	0
Tue 5a	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	2 mph3 km/h from NW, gusts 8 mph14 km/h	100%	2%	0
Tue 6a	Clear	46°8° (likely 46°8° to 49°9°)	46°8°	0%	2 mph3 km/h from NW, gusts 9 mph15 km/h	100%	3%	0
Tue 7a	Clear	45°7° (likely 45°7° to 49°9°)	45°7°	0%	2 mph3 km/h from N, gusts 10 mph15 km/h	100%	1%	0
Tue 8a	Sunny	46°8° (likely 46°8° to 50°10°)	45°7°	0%	3 mph5 km/h from N, gusts 10 mph16 km/h	100%	1%	0
Tue 9a	Sunny	50°10° (likely 50°10° to 54°12°)	49°9°	0%	3 mph5 km/h from N, gusts 11 mph18 km/h	93%	0%	1
Tue 10a	Sunny	56°13° (likely 56°13° to 60°16°)	56°13°	0%	3 mph5 km/h from N, gusts 17 mph27 km/h	77%	1%	2
Tue 11a	Sunny	61°16° (likely 60°16° to 64°18°)	61°16°	0%	5 mph8 km/h from NE, gusts 16 mph25 km/h	70%	1%	3
Tue 12p	Sunny	65°18° (likely 63°17° to 66°19°)	65°18°	0%	5 mph8 km/h from NE, gusts 13 mph21 km/h	60%	0%	4
Tue 1p	Sunny	67°19° (likely 65°18° to 68°20°)	67°19°	0%	5 mph8 km/h from NE, gusts 11 mph17 km/h	56%	0%	4
Tue 2p	Sunny	68°20° (likely 67°19° to 70°21°)	68°20°	0%	5 mph8 km/h from NE, gusts 9 mph14 km/h	54%	1%	4
Tue 3p	Mostly sunny	70°21° (likely 68°20° to 71°22°)	70°21°	0%	5 mph8 km/h from NE, gusts 8 mph12 km/h	51%	6%	4
Tue 4p	Mostly sunny	70°21° (likely 67°19° to 71°22°)	70°21°	0%	3 mph5 km/h from NE, gusts 8 mph12 km/h	51%	6%	3
Tue 5p	Mostly sunny	68°20° (likely 66°19° to 69°21°)	68°20°	0%	3 mph5 km/h from NE, gusts 8 mph13 km/h	54%	5%	2

Days ahead

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

Today, Oct 25. Fog. High 66°19°, low 34°1°. Typical 66°19° / 43°6°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Clear, 45°7°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Tonight: Areas of frost between 4am and 5am, then areas of frost and patchy fog. Clear, with a low around 34. West wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–68°20°
Low, likely
34°1°–40°4°
Typical high / low
66°19° / 43°6°
Wind
5 mph9 km/h, gusts 12 mph20 km/h
UV peak
4
Tomorrow, Oct 26. Sunny. High 70°21°, low 45°7°. Typical 65°18° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 45°7°
  Dry
Official NWS forecast
Day: Areas of frost and patchy fog before 10am. Sunny, with a high near 70. West wind around 2 mph.
Night: Mostly clear, with a low around 45. Northwest wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–72°22°
Low, likely
40°4°–45°7°
Typical high / low
65°18° / 43°6°
Wind
6 mph9 km/h, gusts 11 mph18 km/h
UV peak
5
Tuesday, Oct 27. Mostly sunny. High 70°21°, low 47°8°. Typical 65°18° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Official NWS forecast
Day: Sunny, with a high near 70. North wind around 5 mph.
Night: Mostly clear, with a low around 47. Northeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
47°8°–49°9°
Typical high / low
65°18° / 42°6°
Wind
8 mph14 km/h, gusts 18 mph29 km/h
UV peak
4
Wednesday, Oct 28. Mostly cloudy. High 68°20°, low 48°9°. Typical 64°18° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 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 68.
Night: Mostly cloudy, with a low around 48.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–68°20°
Low, likely
44°7°–49°9°
Typical high / low
64°18° / 42°6°
Wind
5 mph9 km/h, gusts 13 mph21 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 72°22°, low 50°10°. Typical 64°18° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  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 72.
Night: Mostly clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
71°22°–72°22°
Low, likely
46°8°–50°10°
Typical high / low
64°18° / 42°6°
Wind
6 mph10 km/h, gusts 18 mph29 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 77°25°, low 52°11°. Typical 64°18° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 77.
Night: Mostly clear, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–78°26°
Low, likely
46°8°–52°11°
Typical high / low
64°18° / 41°5°
Wind
10 mph15 km/h, gusts 26 mph41 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 73°23°, low 55°13°. Typical 64°18° / 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°15°
  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.
Night: Mostly cloudy, with a low around 55.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–73°23°
Low, likely
47°8°–55°13°
Typical high / low
64°18° / 41°5°
Wind
7 mph12 km/h, gusts 24 mph38 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 71°22°, low 50°10°. Typical 63°17° / 41°5°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  30% chance · 0.03 in0.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers after 7am. Mostly cloudy, with a high near 71.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–73°23°
Low, likely
48°9°–52°11°
Typical high / low
63°17° / 41°5°
Wind
5 mph9 km/h, gusts 11 mph18 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 68°20°, low 54°12°. Typical 63°17° / 40°4°. Rain 0.14 in3.6 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 57°14°
  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
60°16°–75°24°
Low, likely
51°11°–57°14°
Typical high / low
63°17° / 40°4°
Wind
9 mph14 km/h, gusts 21 mph33 km/h
UV peak
2
Tuesday, Nov 3. Drizzle. High 69°21°, low 55°13°. Typical 62°17° / 40°4°. Rain 0.1 in2.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  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
54°12°–78°26°
Low, likely
43°6°–67°19°
Typical high / low
62°17° / 40°4°
Wind
14 mph23 km/h, gusts 32 mph52 km/h

10 days15 days30 days

The outlook

Today
Dry, high 66°, low 34°.
Tomorrow
Dry, high 70°, low 45°, warming up.
Tuesday
Dry, high 70°, low 47°.
Rest of week
Mostly dry, highs 68–77°.

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

8.2 mi

Below flood stage

Level: 2.2 ft
Flow: 338 cfs

Forecast peak 2.2 ft Sun 8 PM

Reading from Sun 5 PM · NWS gauge page

Rapidan River near Culpeper

23 mi

Below flood stage

Level: 0.7 ft
Flow: 157 cfs

Forecast peak 0.7 ft Sun 8 PM

Reading from Sun 4:45 PM · NWS gauge page

Po River near Spotsylvania

2.0 mi

Level: 1.5 ft
Flow: 12 cfs

Reading from Sun 5:45 PM · NWS gauge page

Rappahannock River at Fredericksburg

10 mi

Below flood stage

Level: 6.5 ft
Flow: 13,000 cfs

Reading from Sun 5:45 PM · NWS gauge page

For your home

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

Heating this week

About 65% less heating than a typical week.

This week 29Typical 82

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 23
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 12 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 46°F).

Open the windows?

Mon, 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?

Corbin · official normals 1991–2020 · records 1959–2026

Oct 25, today vs a typical year

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

Last 7 days vs normal

—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24
—SunOct 25

Spotsylvania Courthouse 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 19 min less
Golden hour: 5:42–6:35 PM; Morning 7:12–8:05 AM
Blue hour: 6:35–6:46 PM; Morning 7:02–7:12 AM; first light 7:02 AM

Stars tonight? Fair

Clear 6:46 PM–7:03 AM, but the moon is 100% lit and up.

Moon

Full moon

100% lit · growing

Today: sets 6:51 AM · rises 5:45 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from Spotsylvania Courthouse. The highest point on the skyline is about 3,900 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

Spotsylvania Courthouse, 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

Rapidan River near Culpeper

Po River near Spotsylvania

Rappahannock River at Fredericksburg

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