Am I Warm?
The night
Forecast overnight low (°F)
Wind exposure at your site
Sheltered (trees, walls, a hollow)
Moderate breeze
Exposed (ridge, open desert, above treeline)
Conditions
Dry
Damp / heavy dew
Wet / lots of condensation
Your kit
Bag or quilt comfort rating (°F)
Use the
comfort
rating if you have it — not the "limit" or "extreme" number.
Sleeping pad R-value
On the pad's spec sheet. Bare ground / no pad ≈ 0.
Shelter
Enclosed double-wall tent
Single-wall tent
Bivy sack
Tarp / floorless
Hammock
Cowboy camping (no shelter)
What you'll sleep in
Beyond a base layer (a base layer is already assumed).
Insulated jacket / puffy
Insulated pants
Warm hat / beanie
Wool socks
Sleeping-bag liner
How you sleep
I sleep cold
Average
I sleep warm
Check my setup