Right now
30°C / 86°F
Clear · wind 14 km/h · 21% RH
Soil (6 cm)
25°C / 76°F
Warm-season seeds go
Hardiness zone
5a
est. from 10-yr extreme low -26°C
Frost window
May 10 – Oct 10
~153 frost-free days · first frost in ~32 days
Sun
06:34 – 19:20
sunrise – sunset today
Moon
Waning Crescent
10% lit · solunar good · full 2026-09-26
7-day forecast
America/Denver
Tue
Overcast
30° / 17°
dry
Wed
Overcast
28° / 13°
dry
Thu
Clear
32° / 14°
dry
Fri
Overcast
33° / 21°
dry
Sat
Drizzle
30° / 19°
0.3 mm
Sun
Overcast
34° / 20°
dry
Mon
Drizzle
33° / 22°
0.5 mm
This week
AI field guide · refreshed weeklyDenver Gardening: Early September—Sow Cool-Season Crops, Harvest Summer Bounty. Denver-Area Fishing: Early Fall on the South Platte & Mountain Lakes. Early Fall Foraging in Denver: September 2026.
Gardening
Denver Gardening: Early September—Sow Cool-Season Crops, Harvest Summer Bounty
Sow & harvest now
- Spinach (Space, Bloomsdale)
- Lettuce (Buttercrunch, Oakleaf)
- Radish (Cherry Belle, French Breakfast)
- Arugula (Roquette)
Fishing
Denver-Area Fishing: Early Fall on the South Platte & Mountain Lakes
What's biting
- Brown Trout
- Rainbow Trout
- Walleye
- Largemouth Bass
Foraging
Early Fall Foraging in Denver: September 2026
In season now
- Wild plums (Prunus americana)
- Currants and gooseberries (Ribes spp.)
- Walnuts (Juglans nigra, black walnut)
- Serviceberry (Amelanchier alnifolia)
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 5a
Estimated from a 10-year average extreme low of -26°C. What grows, what bites and what to forage across your zone.
Zone guide →Get this guide for Denver every week
Frost warnings, what's biting, what's ripening. One email, Sunday evening.