Montclair, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Montclair, a community in Prince William County, Virginia.
Today
81°F
Partly Sunny
Partly sunny, with a high near 81. East wind around 6 mph.
7-day forecast for Montclair
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Partly Sunny | 6 mph E | 4% |
| Tonight | 66°F | Mostly Cloudy | 6 mph SE | 12% |
| Sunday | 86°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph S | 32% |
| Sunday Night | 64°F | Showers And Thunderstorms Likely | 3 to 9 mph NW | 66% |
| Monday | 73°F | Chance Rain Showers | 9 mph NE | 40% |
| Monday Night | 60°F | Chance Rain Showers | 5 to 8 mph NE | 43% |
| Tuesday | 67°F | Rain Showers Likely | 9 to 14 mph NE | 58% |
| Tuesday Night | 56°F | Rain Showers Likely | 10 to 14 mph NE | 58% |
| Wednesday | 63°F | Chance Rain Showers | 14 mph NE | 52% |
| Wednesday Night | 56°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 50% |
| Thursday | 64°F | Chance Showers And Thunderstorms | 10 to 14 mph NE | 42% |
| Thursday Night | 54°F | Chance Showers And Thunderstorms | 6 to 13 mph N | 38% |
| Friday | 69°F | Slight Chance Rain Showers | 12 mph N | 20% |
| Friday Night | 53°F | Slight Chance Rain Showers | 6 to 9 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov) for Montclair (38.614, -77.342). Updated through the day.
Growing snapshot for Montclair
Last spring frost
Mar 28
First fall frost
Nov 8
Growing season
226 days
Hardiness zone
7b
More local growing data for Montclair: nearby ZIP 22025 weather · frost dates · planting calendar · Virginia frost dates
Nearby towns & communities
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Lake Ridge
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Leesylvania
Linton Hall
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Occoquan
Potomac Mills
Quantico
Quantico Base
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Climate data from the nearest NOAA station, Quantico Mcas, Va (6.9 mi from Montclair). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.