Niagara, ND Weather & Growing Conditions
Today
71°F
Sunny
Sunny. High near 71, with temperatures falling to around 69 in the afternoon. West northwest wind around 17 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Sunny | 17 mph WNW | 2% |
| Tonight | 50°F | Mostly Clear | 6 to 14 mph W | 0% |
| Wednesday | 80°F | Sunny | 12 to 22 mph WSW | 0% |
| Wednesday Night | 57°F | Slight Chance Rain Showers | 13 to 18 mph WSW | 17% |
| Thursday | 82°F | Sunny | 13 to 20 mph W | 11% |
| Thursday Night | 58°F | Mostly Clear | 9 to 15 mph W | 1% |
| Friday | 80°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 | 7 to 15 mph N | 16% |
| Sunday Night | 56°F | Partly Cloudy then Chance Rain Showers | 8 to 15 mph NNE | 29% |
| Monday | 77°F | Chance Rain Showers | 8 to 15 mph NNE | 29% |
| Monday Night | 56°F | Slight Chance Rain Showers | 7 to 15 mph NNE | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Niagara, ND
Last spring frost
May 11
First fall frost
Sep 28
Growing season
138 days
Hardiness zone
4a
Explore more for Niagara, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Petersburg 2 N, Nd (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.