Right now
24°C / 76°F
Clear · wind 31 km/h · 45% RH
Soil (6 cm)
22°C / 72°F
Warm-season seeds go
Hardiness zone
4a
est. from 10-yr extreme low -33°C
Frost window
May 10 – Oct 10
~153 frost-free days · first frost in ~32 days
Sun
06:56 – 19:55
sunrise – sunset today
Moon
Waning Crescent
10% lit · solunar good · full 2026-09-26
7-day forecast
America/Chicago
Tue
Partly cloudy
27° / 17°
dry
Wed
Drizzle
22° / 14°
0.38 mm
Thu
Overcast
30° / 12°
dry
Fri
Overcast
28° / 15°
dry
Sat
Overcast
19° / 12°
dry
Sun
Overcast
19° / 9°
dry
Mon
Showers
14° / 11°
22.5 mm
This week
AI field guide · refreshed weeklyGrand Forks Gardening: Early September – Harvest, Extend, and Plan for Frost. Fall Fishing Around Grand Forks: Early September Walleye, Pike, and Perch. Fall Foraging in Grand Forks: September Harvest.
Gardening
Grand Forks Gardening: Early September – Harvest, Extend, and Plan for Frost
Sow & harvest now
- Spinach (Spinacia oleracea)
- Arugula (Eruca vesicana)
- Radish (Raphanus sativus)
- Mâche (Valerianella locusta)
Fishing
Fall Fishing Around Grand Forks: Early September Walleye, Pike, and Perch
What's biting
- Walleye
- Northern Pike
- Yellow Perch
- Largemouth Bass
Foraging
Fall Foraging in Grand Forks: September Harvest
In season now
- Wild Grape (Vitis riparia)
- Wild Plum (Prunus americana)
- Chokecherry (Prunus virginiana)
- Highbush Cranberry (Viburnum opulus subsp. americana)
Your ecological region
Prairies & Great Plains
From the aspen parkland of Alberta to the Texas Hill Country: grassland, big sky, wind, and extremes of cold and heat.
Regional guide →Your hardiness zone
Zone 4a
Estimated from a 10-year average extreme low of -33°C. What grows, what bites and what to forage across your zone.
Zone guide →Get this guide for Grand Forks every week
Frost warnings, what's biting, what's ripening. One email, Sunday evening.