Quantico Creek at Dumfries
1.4 mi- Level
- 2.6 ft
Reading from Sat 12:45 PM · NWS gauge page
1 active weather alert
Frost Advisory
Starts in 10 h 39 min
- When
- From 1 AM to 9 AM EDT Sunday.
- Where
- Portions of central, northeast, and northern Maryland 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.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Frederick; Carroll; Northern Baltimore; Cecil; Northwest Montgomery; Northwest Howard; Northwest Harford; Southeast Harford; Rappahannock; Culpeper; Northern Fauquier; Southern Fauquier; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park
See it on weather.gov (opens in a new tab)
Observed 12:56 PM EDT at KNYG
Triangle, VA weather
Partly cloudy and 62°17°, jacket by 7 PM.
Today: low 40°4° (likely 38°3° to 42°6°), high 64°18° (likely 61°16° to 64°18°).
Now 62°17°
Partly sunny
- Wind
- 3 mph5 km/h
- From the north-northeast. Up to 5 mph8 km/h through 2 AM
- Dew point
- 43°6°
- Comfortable
- UV index
- 3Moderate
- Moderate until 4 PM · peak 4
- Pressure
- 30.56 inHg1035 hPa
- Falling · −0.05 inHg−1.6 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
About the same as this time yesterday (64°18° then, 62°17° now)
Good hours for
This afternoonNear 63°17° · Partly cloudy
TonightDown to 41°5° by 4 AM · Clear
Tomorrow morningUp to 59°15° by 11 AM · Clear
Tomorrow afternoonUp to 67°19° by 2 PM · Clear
Tomorrow nightDown to 41°5° by 5 AM · Clear
Monday morningUp to 59°15° by 11 AM · Clear
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 2p | Sunny | 63°17° (likely 61°16° to 64°18°) | 63°17° | 0% | 5 mph8 km/h from E, gusts 8 mph14 km/h | 48% | 32% | 3 |
| Sat 3p | Mostly sunny | 64°18° (likely 61°16° to 64°18°) | 64°18° | 0% | 5 mph8 km/h from E, gusts 8 mph12 km/h | 46% | 37% | 3 |
| Sat 4p | Partly sunny | 63°17° (likely 61°16° to 64°18°) | 63°17° | 0% | 5 mph8 km/h from E, gusts 8 mph13 km/h | 48% | 28% | 1 |
| Sat 5p | Partly sunny | 63°17° (likely 60°16° to 63°17°) | 63°17° | 0% | 5 mph8 km/h from E, gusts 9 mph14 km/h | 48% | 24% | 1 |
| Sat 6p | Partly cloudy | 58°14° (likely 57°14° to 60°16°) | 58°14° | 0% | 5 mph8 km/h from E, gusts 8 mph13 km/h | 59% | 17% | 0 |
| Sat 7p | Partly cloudy | 53°12° (likely 53°12° to 57°14°) | 53°12° | 0% | 3 mph5 km/h from E, gusts 7 mph11 km/h | 71% | 13% | 0 |
| Sat 8p | Clear | 50°10° (likely 50°10° to 55°13°) | 50°10° | 0% | 2 mph3 km/h from E, gusts 6 mph10 km/h | 80% | 10% | 0 |
| Sat 9p | Partly cloudy | 49°9° (likely 49°9° to 54°12°) | 49°9° | 0% | 2 mph3 km/h from NE, gusts 6 mph10 km/h | 80% | 26% | 0 |
| Sat 10p | Mostly clear | 47°8° (likely 47°8° to 53°12°) | 47°8° | 0% | 1 mph2 km/h from NE, gusts 5 mph9 km/h | 86% | 30% | 0 |
| Sat 11p | Partly cloudy | 46°8° (likely 46°8° to 54°12°) | 46°8° | 0% | 1 mph2 km/h from NE, gusts 5 mph9 km/h | 89% | 39% | 0 |
| Sun 12a | Mostly clear | 45°7° (likely 45°7° to 54°12°) | 45°7° | 0% | 1 mph2 km/h from NE, gusts 4 mph7 km/h | 93% | 58% | 0 |
| Sun 1a | Partly cloudy | 43°6° (likely 43°6° to 52°11°) | 43°6° | 0% | 1 mph2 km/h from NE, gusts 3 mph5 km/h | 100% | 44% | 0 |
| Sun 2a | Clear | 43°6° (likely 43°6° to 51°11°) | 43°6° | 0% | 1 mph2 km/h from NE, gusts 3 mph5 km/h | 100% | 14% | 0 |
| Sun 3a | Clear | 42°6° (likely 42°6° to 49°9°) | 42°6° | 0% | 1 mph2 km/h from NE, gusts 3 mph6 km/h | 100% | 8% | 0 |
| Sun 4a | Clear | 41°5° (likely 41°5° to 48°9°) | 41°5° | 0% | 1 mph2 km/h from N, gusts 4 mph7 km/h | 100% | 7% | 0 |
| Sun 5a | Clear | 41°5° (likely 41°5° to 47°8°) | 41°5° | 0% | 1 mph2 km/h from N, gusts 5 mph7 km/h | 100% | 10% | 0 |
| Sun 6a | Mostly clear | 41°5° (likely 41°5° to 46°8°) | 41°5° | 0% | 2 mph3 km/h from N, gusts 5 mph8 km/h | 100% | 15% | 0 |
| Sun 7a | Mostly sunny | 40°4° (likely 40°4° to 48°9°) | 40°4° | 0% | 2 mph3 km/h from N, gusts 6 mph10 km/h | 100% | 26% | 0 |
| Sun 8a | Mostly sunny | 41°5° (likely 41°5° to 47°8°) | 41°5° | 0% | 2 mph3 km/h from N, gusts 6 mph9 km/h | 100% | 26% | 0 |
| Sun 9a | Partly sunny | 47°8° (likely 47°8° to 51°11°) | 47°8° | 0% | 2 mph3 km/h from N, gusts 6 mph10 km/h | 89% | 20% | 1 |
| Sun 10a | Sunny | 54°12° (likely 54°12° to 55°13°) | 54°12° | 0% | 2 mph3 km/h from N, gusts 9 mph14 km/h | 71% | 14% | 2 |
| Sun 11a | Sunny | 59°15° (likely 57°14° to 59°15°) | 59°15° | 0% | 2 mph3 km/h from NE, gusts 9 mph14 km/h | 62% | 22% | 3 |
| Sun 12p | Mostly sunny | 62°17° (likely 60°16° to 62°17°) | 62°17° | 0% | 2 mph3 km/h from NE, gusts 8 mph13 km/h | 56% | 12% | 4 |
| Sun 1p | Sunny | 65°18° (likely 62°17° to 65°18°) | 65°18° | 0% | 2 mph3 km/h from NE, gusts 6 mph10 km/h | 50% | 3% | 4 |
| Sun 2p | Sunny | 67°19° (likely 63°17° to 67°19°) | 67°19° | 0% | 2 mph3 km/h from E, gusts 5 mph8 km/h | 45% | 7% | 4 |
| Sun 3p | Sunny | 67°19° (likely 64°18° to 67°19°) | 67°19° | 0% | 2 mph3 km/h from E, gusts 5 mph8 km/h | 45% | 10% | 4 |
| Sun 4p | Sunny | 67°19° (likely 64°18° to 67°19°) | 67°19° | 0% | 2 mph3 km/h from E, gusts 5 mph8 km/h | 47% | 21% | 3 |
| Sun 5p | Sunny | 67°19° (likely 63°17° to 67°19°) | 67°19° | 0% | 1 mph2 km/h from E, gusts 5 mph8 km/h | 47% | 5% | 2 |
| Sun 6p | Clear | 62°17° (likely 59°15° to 62°17°) | 62°17° | 0% | 1 mph2 km/h from E, gusts 4 mph7 km/h | 56% | 0% | 0 |
| Sun 7p | Clear | 56°13° (likely 56°13° to 58°14°) | 56°13° | 0% | 1 mph2 km/h from E, gusts 5 mph8 km/h | 69% | 1% | 0 |
| Sun 8p | Clear | 53°12° (likely 53°12° to 56°13°) | 53°12° | 0% | 1 mph2 km/h from E, gusts 3 mph6 km/h | 80% | 2% | 0 |
| Sun 9p | Clear | 50°10° (likely 50°10° to 54°12°) | 50°10° | 0% | 1 mph2 km/h from E, gusts 3 mph4 km/h | 86% | 0% | 0 |
| Sun 10p | Clear | 48°9° (likely 48°9° to 53°12°) | 48°9° | 0% | 1 mph2 km/h from E, gusts 4 mph6 km/h | 93% | 0% | 0 |
| Sun 11p | Clear | 47°8° (likely 47°8° to 52°11°) | 47°8° | 0% | 0 mph0 km/h, gusts 2 mph4 km/h | 93% | 2% | 0 |
| Mon 12a | Clear | 45°7° (likely 45°7° to 51°11°) | 45°7° | 0% | 0 mph0 km/h, gusts 2 mph4 km/h | 96% | 3% | 0 |
| Mon 1a | Clear | 44°7° (likely 44°7° to 49°9°) | 44°7° | 0% | 1 mph2 km/h from W, gusts 3 mph5 km/h | 100% | 2% | 0 |
| Mon 2a | Clear | 43°6° (likely 43°6° to 48°9°) | 43°6° | 0% | 1 mph2 km/h from W, gusts 4 mph6 km/h | 100% | 1% | 0 |
| Mon 3a | Clear | 42°6° (likely 42°6° to 47°8°) | 42°6° | 0% | 1 mph2 km/h from W, gusts 4 mph7 km/h | 100% | 8% | 0 |
| Mon 4a | Clear | 42°6° (likely 42°6° to 46°8°) | 42°6° | 0% | 2 mph3 km/h from W, gusts 5 mph8 km/h | 100% | 12% | 0 |
| Mon 5a | Clear | 41°5° (likely 41°5° to 45°7°) | 41°5° | 0% | 2 mph3 km/h from W, gusts 6 mph10 km/h | 100% | 12% | 0 |
| Mon 6a | Clear | 40°4° (likely 40°4° to 45°7°) | 40°4° | 0% | 2 mph3 km/h from W, gusts 6 mph10 km/h | 100% | 13% | 0 |
| Mon 7a | Sunny | 39°4° (likely 39°4° to 44°7°) | 39°4° | 0% | 2 mph3 km/h from W, gusts 6 mph9 km/h | 100% | 13% | 0 |
| Mon 8a | Sunny | 41°5° (likely 39°4° to 44°7°) | 41°5° | 0% | 2 mph3 km/h from W, gusts 5 mph8 km/h | 100% | 21% | 0 |
| Mon 9a | Sunny | 46°8° (likely 41°5° to 50°10°) | 46°8° | 0% | 2 mph3 km/h from W, gusts 5 mph8 km/h | 89% | 26% | 1 |
| Mon 10a | Sunny | 52°11° (likely 48°9° to 56°13°) | 52°11° | 0% | 2 mph3 km/h from W, gusts 5 mph8 km/h | 77% | 17% | 2 |
| Mon 11a | Sunny | 59°15° (likely 54°12° to 61°16°) | 59°15° | 0% | 2 mph3 km/h from W, gusts 5 mph9 km/h | 64% | 15% | 3 |
| Mon 12p | Sunny | 63°17° (likely 60°16° to 65°18°) | 63°17° | 0% | 3 mph5 km/h from NW, gusts 7 mph10 km/h | 58% | 0% | 4 |
| Mon 1p | Sunny | 66°19° (likely 65°18° to 67°19°) | 66°19° | 0% | 5 mph8 km/h from NW, gusts 8 mph12 km/h | 50% | 1% | 4 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Partly sunny. High 64°18°, low 40°4°. Typical 66°19° / 46°8°. Dry. Mostly agree.
Afternoon
noon–6 PM
Partly sunny, 64°18°Dry
Evening
6 PM–midnight
Partly cloudy, 50°10°Dry
Overnight
midnight–6 AM
Clear, 41°5°Dry
Official NWS forecast
Today: Mostly sunny, with a high near 64. East wind around 5 mph.
Tonight: Patchy fog after 1am. Mostly clear, with a low around 40. Northeast wind 1 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 61°16°–64°18°
- Low, likely
- 38°3°–42°6°
- Typical high / low
- 66°19° / 46°8°
- Wind
- 7 mph11 km/h, gusts 15 mph24 km/h
- UV peak
- 4
Tomorrow, Oct 25. Cloudy. High 67°19°, low 39°4°. Typical 66°19° / 46°8°. Dry. Mostly agree.
Morning
6 AM–noon
Partly sunny, 41°5°Dry
Afternoon
noon–6 PM
Sunny, 67°19°Dry
Evening
6 PM–midnight
Clear, 53°12°Dry
Overnight
midnight–6 AM
Clear, 41°5°Dry
Official NWS forecast
Day: Sunny, with a high near 67. Northeast wind around 2 mph.
Night: Clear, with a low around 39. Northeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 64°18°–67°19°
- Low, likely
- 39°4°–46°8°
- Typical high / low
- 66°19° / 46°8°
- Wind
- 5 mph8 km/h, gusts 11 mph17 km/h
- UV peak
- 4
Monday, Oct 26. Sunny. High 70°21°, low 49°9°. Typical 65°18° / 46°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 41°5°Dry
Afternoon
noon–6 PM
Sunny, 69°20°Dry
Evening
6 PM–midnight
Clear, 55°13°Dry
Overnight
midnight–6 AM
Clear, 48°9°Dry
Official NWS forecast
Day: Sunny, with a high near 70. West wind around 5 mph.
Night: Clear, with a low around 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 68°20°–70°21°
- Low, likely
- 39°4°–49°9°
- Typical high / low
- 65°18° / 46°8°
- Wind
- 6 mph9 km/h, gusts 11 mph18 km/h
- UV peak
- 4
Tuesday, Oct 27. Mostly sunny. High 68°20°, low 46°8°. Typical 65°18° / 45°7°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 50°10°Dry
Afternoon
noon–6 PM
Sunny, 68°20°Dry
Evening
6 PM–midnight
Clear, 56°13°Dry
Overnight
midnight–6 AM
Clear, 49°9°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 68.
Night: Mostly clear, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 66°19°–69°21°
- Low, likely
- 46°8°–51°11°
- Typical high / low
- 65°18° / 45°7°
- Wind
- 8 mph12 km/h, gusts 19 mph30 km/h
- UV peak
- 4
Wednesday, Oct 28. Cloudy. High 65°18°, low 47°8°. Typical 64°18° / 45°7°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 49°9°Dry
Afternoon
noon–6 PM
Cloudy, 65°18°Dry
Evening
6 PM–midnight
Cloudy, 56°13°Dry
Overnight
midnight–6 AM
Cloudy, 50°10°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 65.
Night: Mostly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 63°17°–66°19°
- Low, likely
- 46°8°–51°11°
- Typical high / low
- 64°18° / 45°7°
- Wind
- 6 mph9 km/h, gusts 13 mph22 km/h
- UV peak
- 4
Thursday, Oct 29. Cloudy. High 70°21°, low 50°10°. Typical 64°18° / 45°7°. Dry. Mostly agree.
Morning
6 AM–noon
Partly sunny, 48°9°Dry
Afternoon
noon–6 PM
Sunny, 68°20°Dry
Evening
6 PM–midnight
Clear, 57°14°Dry
Overnight
midnight–6 AM
Clear, 49°10°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
Night: Mostly clear, with a low around 50.
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
- 64°18° / 45°7°
- Wind
- 5 mph9 km/h, gusts 20 mph33 km/h
- UV peak
- 4
Friday, Oct 30. Mostly sunny. High 73°23°, low 50°10°. Typical 64°18° / 44°7°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 49°9°Dry
Afternoon
noon–6 PM
Sunny, 74°23°Dry
Evening
6 PM–midnight
Clear, 61°16°Dry
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 73.
Night: Mostly clear, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 72°22°–75°24°
- Low, likely
- 48°9°–50°10°
- Typical high / low
- 64°18° / 44°7°
- Wind
- 6 mph10 km/h, gusts 25 mph40 km/h
- UV peak
- 4
Saturday, Oct 31. Cloudy. High 71°22°, low 51°11°. Typical 63°17° / 44°7°. Dry. Mostly agree.
Morning
6 AM–noon
Partly sunny, 50°10°Dry
Afternoon
noon–6 PM
Partly sunny, 72°22°Dry
Evening
6 PM–midnight
Cloudy, 60°16°Dry
Overnight
midnight–6 AM
Cloudy, 54°12°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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 69°21°–74°23°
- Low, likely
- 48°9°–53°12°
- Typical high / low
- 63°17° / 44°7°
- Wind
- 7 mph10 km/h, gusts 23 mph37 km/h
- UV peak
- 4
Sunday, Nov 1. Cloudy. High 70°21°, low 54°12°. Typical 63°17° / 44°7°. Rain 0.03 in0.8 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 55°13°Dry
Afternoon
noon–6 PM
Partly sunny, 69°21°Dry
Evening
6 PM–midnight
Drizzle, 64°18°20% chance
Overnight
midnight–6 AM
Drizzle, 63°17°20% chance · 0.04 in0.9 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
- 62°17°–74°23°
- Low, likely
- 51°11°–57°14°
- Typical high / low
- 63°17° / 44°7°
- Wind
- 9 mph14 km/h, gusts 18 mph29 km/h
- UV peak
- 1
Monday, Nov 2. Drizzle. High 72°22°, low 61°16°. Typical 63°17° / 43°6°. Rain 0.24 in6.1 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 65°18°Dry
Afternoon
noon–6 PM
Drizzle, 73°23°Dry
Evening
6 PM–midnight
Drizzle, 66°19°20% chance · 0.17 in4.2 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
- 65°18°–77°25°
- Low, likely
- 59°15°–67°19°
- Typical high / low
- 63°17° / 43°6°
- Wind
- 16 mph26 km/h, gusts 36 mph58 km/h
The outlook
Today
Dry, high 64°, low 40°.
Tomorrow
Dry, high 67°, low 39°, warming up.
Monday
Dry, high 70°, low 49°, warming up.
Rest of week
Mostly dry, highs 65–73°.
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
Rivers
NOAA river gauges within 25 mi
Potomac River at Leesylvania State Park
4.9 mi- Level
- 2.0 ft
Reading from Sat 1:10 PM · NWS gauge page
South Fork Quantico Creek near Independent Hill
6.6 mi- Level
- 2.8 ft
- Flow
- under 1 cfs
Reading from Sat 1:15 PM · NWS gauge page
Aquia Creek near Garrisonville
7.4 mi- Level
- 0.5 ft
- Flow
- 1 cfs
Reading from Sat 12:30 PM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 60% less heating than a typical week.
This week 28Typical 70
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 43°F).
Open the windows?
Today, 3:00 PM–5:00 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 24, today vs a typical year
Today’s expected high is 2°1° colder than typical.
- Normal high / low
- 66°19° / 46°8°
- Forecast high / low
- 64°18° / 40°4°
- Record high
- 84°29° in 2001
- Record low
- 29°−2° in 1964
Last 7 days vs normal
On average 1°0° colder than normal (daily mean temperature).
- −6°−3°SunOct 18
- −3°−2°MonOct 19
- +4°+2°TueOct 20
- +1°±0°WedOct 21
- +2°+1°ThuOct 22
- ±0°FriOct 23
- —SatOct 24
Triangle weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:27 AM, sunset 6:18 PM.
- Daylight
- 10 h 51 min
- Losing 2 min 16 s a day; shortest Dec 21, 1 h 23 min less
- Golden hour
- 5:42–6:35 PM
- Morning 7:10–8:04 AM
- Blue hour
- 6:35–6:45 PM
- Morning 7:00–7:10 AM; first light 7:00 AM
Stars tonight? Fair
Mostly clear 2–7 AM, but the moon is 99% lit and up.
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 5:40 AM · rises 5:15 PM
- Full moon
- Oct 26
- New moon
- Nov 9
