National, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for National, a community in Allegany County, Maryland.
Today
82°F
Sunny
Sunny, with a high near 82. East wind 1 to 7 mph.
7-day forecast for National
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 1 to 7 mph E | 0% |
| Tonight | 64°F | Mostly Cloudy then Patchy Fog | 1 to 7 mph E | 6% |
| Wednesday | 82°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 5 mph E | 43% |
| Wednesday Night | 67°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 3 mph S | 56% |
| Thursday | 85°F | Showers And Thunderstorms | 2 to 6 mph SW | 83% |
| Thursday Night | 67°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 mph W | 83% |
| Friday | 84°F | Showers And Thunderstorms Likely | 7 mph W | 71% |
| Friday Night | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 mph W | 71% |
| Saturday | 83°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 8 mph W | 40% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 3 to 7 mph W | 40% |
| Sunday | 85°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 8 mph W | 17% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph W | 17% |
| Monday | 86°F | Mostly Sunny | 13 mph W | 13% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph W | 19% |
Forecast source: National Weather Service (api.weather.gov) for National (39.612, -78.940). Updated through the day.
Growing snapshot for National
Last spring frost
Apr 29
First fall frost
Oct 18
Growing season
171 days
Hardiness zone
6b
More local growing data for National: nearby ZIP 21542 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Frostburg 2, Md (4.8 mi from National). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.