Long Branch, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Long Branch, a community in Fairfax County, Virginia.
Today
86°F
Partly Sunny
Partly sunny, with a high near 86. East wind around 7 mph.
7-day forecast for Long Branch
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Partly Sunny | 7 mph E | 6% |
| Tonight | 70°F | Showers And Thunderstorms Likely | 2 to 7 mph E | 69% |
| Wednesday | 86°F | Showers And Thunderstorms Likely | 2 to 7 mph SE | 67% |
| Wednesday Night | 72°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 7 mph S | 56% |
| Thursday | 90°F | Mostly Sunny | 7 to 10 mph S | 13% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 15% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 8 mph SW | 37% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 46% |
| Saturday | 89°F | Partly Sunny then Chance Showers And Thunderstorms | 6 mph SW | 52% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 5 mph SW | 52% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph W | 20% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 20% |
| Monday | 91°F | Mostly Sunny | 2 to 7 mph W | 10% |
| Monday Night | 73°F | Partly Cloudy | 6 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov) for Long Branch (38.831, -77.270). Updated through the day.
Growing snapshot for Long Branch
Last spring frost
Apr 14
First fall frost
Oct 29
Growing season
198 days
Hardiness zone
7b
More local growing data for Long Branch: nearby ZIP 22032 weather · frost dates · planting calendar · Virginia frost dates
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Climate data from the nearest NOAA station, Vienna, Va (5.2 mi from Long Branch). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.