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
51°F
Mostly Clear
Mostly clear, with a low around 51. West northwest wind 9 to 13 mph.
7-day forecast for Niagara
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Clear | 9 to 13 mph WNW | 6% |
| Tuesday | 71°F | Sunny | 12 to 15 mph W | 2% |
| Tuesday Night | 50°F | Mostly Clear | 6 to 14 mph W | 0% |
| Wednesday | 79°F | Sunny | 12 to 22 mph WSW | 0% |
| Wednesday Night | 57°F | Slight Chance Rain Showers | 12 to 18 mph WSW | 17% |
| Thursday | 81°F | Sunny | 13 to 20 mph W | 10% |
| Thursday Night | 58°F | Mostly Clear | 9 to 15 mph W | 1% |
| Friday | 79°F | Sunny | 12 to 17 mph NW | 1% |
| Friday Night | 55°F | Mostly Clear | 7 to 15 mph N | 6% |
| Saturday | 79°F | Mostly Sunny | 7 to 16 mph N | 7% |
| Saturday Night | 56°F | Mostly Clear then Slight Chance Rain Showers | 7 to 15 mph N | 16% |
| Sunday | 77°F | Slight Chance Rain Showers then Mostly Sunny | 8 to 15 mph N | 16% |
| Sunday Night | 56°F | Partly Cloudy then Chance Rain Showers | 8 to 15 mph NNE | 29% |
| Monday | 76°F | Chance Rain Showers | 8 to 15 mph NNE | 29% |
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 Aug 4, 2026.