Niagara, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Niagara, a city in Grand Forks County, North Dakota.
Overnight
52°F
Patchy Fog
Patchy fog. Mostly cloudy. Low around 52, with temperatures rising to around 58 overnight. South southeast wind around 3 mph.
7-day forecast for Niagara
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Patchy Fog | 3 mph SSE | 1% |
| Saturday | 67°F | Patchy Fog then Mostly Cloudy | 2 to 18 mph NNE | 11% |
| Saturday Night | 45°F | Mostly Cloudy | 12 to 18 mph NNE | 1% |
| Sunday | 63°F | Mostly Cloudy | 13 mph NE | 1% |
| Sunday Night | 41°F | Mostly Cloudy | 2 to 10 mph ENE | 0% |
| Monday | 67°F | Sunny | 2 to 10 mph ESE | 0% |
| Monday Night | 42°F | Mostly Clear | 9 mph SSE | 1% |
| Tuesday | 68°F | Sunny | 9 to 22 mph SSE | 1% |
| Tuesday Night | 47°F | Mostly Clear | 17 mph SSE | 2% |
| Wednesday | 69°F | Mostly Sunny | 17 to 23 mph SSE | 9% |
| Wednesday Night | 50°F | Slight Chance Rain Showers | 12 to 17 mph SSE | 15% |
| Thursday | 71°F | Mostly Sunny | 12 to 17 mph SSE | 12% |
| Thursday Night | 53°F | Partly Cloudy | 14 mph S | 11% |
| Friday | 73°F | Mostly Sunny | 13 to 22 mph S | 8% |
Forecast source: National Weather Service (api.weather.gov) for Niagara (48.001, -97.877). Updated through the day.
Growing snapshot for Niagara
Last spring frost
May 11
First fall frost
Sep 28
Growing season
138 days
Hardiness zone
4a
More local growing data for Niagara: nearby ZIP 58266 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Petersburg 2 N, Nd (7.8 mi from Niagara). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.