Malta, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Malta, a city in Phillips County, Montana.
This Afternoon
70°F
Cloudy
Cloudy, with a high near 70. East northeast wind around 10 mph.
7-day forecast for Malta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Cloudy | 10 mph ENE | 0% |
| Tonight | 48°F | Cloudy then Slight Chance Rain Showers | 5 to 8 mph ENE | 17% |
| Sunday | 67°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph E | 18% |
| Sunday Night | 47°F | Partly Cloudy | 6 to 9 mph SE | 2% |
| Monday | 73°F | Partly Sunny | 6 to 14 mph SE | 1% |
| Monday Night | 49°F | Mostly Clear | 7 to 13 mph SE | 0% |
| Tuesday | 80°F | Sunny | 6 to 9 mph SE | 0% |
| Tuesday Night | 51°F | Mostly Clear | 2 to 8 mph SE | 0% |
| Wednesday | 81°F | Mostly Sunny | 3 to 7 mph SE | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 5 mph S | 5% |
| Thursday | 80°F | Mostly Sunny | 6 mph WNW | 2% |
| Thursday Night | 52°F | Partly Cloudy | 7 mph E | 9% |
| Friday | 79°F | Mostly Sunny | 6 to 14 mph ESE | 4% |
| Friday Night | 50°F | Partly Cloudy | 13 mph E | 13% |
Forecast source: National Weather Service (api.weather.gov) for Malta (48.355, -107.870). Updated through the day.
Growing snapshot for Malta
Last spring frost
May 16
First fall frost
Sep 23
Growing season
128 days
Hardiness zone
4a
More local growing data for Malta: nearby ZIP 59538 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Malta 35 S, Mt (13.8 mi from Malta). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.