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)
| Station | 2" Temp | Last Reading |
|---|---|---|
| Hubbard Brook (Grafton) | 53°F | 2026-05-18 |
| Durham 2 N | 63°F | 2026-05-18 |
| Durham 2 SSW | 60°F | 2026-05-18 |
Cities in New Hampshire (11)
| City | ZIP | Current Temp | Distance from state center |
|---|---|---|---|
| Concord | 03301 | — | 32 mi |
| Dover | 03820 | — | 49 mi |
| Hampton | 03842 | — | 64 mi |
| Keene | 03431 | — | 61 mi |
| Laconia | 03246 | — | 9 mi |
| Lebanon | 03756 | — | 34 mi |
| Manchester | 03101 | — | 48 mi |
| Nashua | 03060 | — | 64 mi |
| Portsmouth | 03801 | — | 57 mi |
| Rochester | 03839 | — | 42 mi |
| Tilton | 03276 | — | 15 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.
