Skip to main content

Soil Temperature in New Hampshire

The current average 2-inch soil temperature across New Hampshire is 59°F, based on 3 USDA and NOAA monitoring stations. Readings range from 53°F to 63°F. Last updated May 18, 2026.

Current Planting Conditions

Prime cool-season planting conditions in New Hampshire with soil averaging 59°F at 2 inches. The spring fertilizer and overseeding window is active. This is the ideal range for tall fescue and Kentucky bluegrass establishment.

Monitoring Stations in New Hampshire (3)

Station2" TempLast Reading
Hubbard Brook (Grafton)53°F2026-05-18
Durham 2 N63°F2026-05-18
Durham 2 SSW60°F2026-05-18

Cities in New Hampshire (11)

Cities in New Hampshire with current soil temperature readings
CityZIPCurrent TempDistance from state center
Concord0330132 mi
Dover0382049 mi
Hampton0384264 mi
Keene0343161 mi
Laconia032469 mi
Lebanon0375634 mi
Manchester0310148 mi
Nashua0306064 mi
Portsmouth0380157 mi
Rochester0383942 mi
Tilton0327615 mi

Soil Temperature FAQ for New Hampshire

What is the current soil temperature in New Hampshire?

The current average 2-inch soil temperature across New Hampshire is 59°F, based on 3 USDA and NOAA monitoring stations. Readings range from 53°F to 63°F depending on location and elevation.

When should I apply pre-emergent in New Hampshire?

Apply pre-emergent herbicide when soil at 2 inches reaches 55°F for several consecutive days. Timing varies across New Hampshire, so check your city's page for station-specific readings and the pre-emergent timing recommendation.

When can I plant grass seed in New Hampshire?

Cool-season grasses (fescue, bluegrass) can be seeded when soil holds between 50 and 65°F. Warm-season grasses (bermuda, zoysia) need soil above 65°F. Timing varies by location, so check your city's planting window for the dates specific to your area.