Your morning New Hampshire weather update Frost advisories are in effect across the entire state this morning, with temperatures dropping as low as 32 degrees in valleys and sheltered areas. If you've already planted tender vegetables or flowers, you'll want to cover them or bring potted plants indoors before dawn. We're starting off chilly with temperatures around 43 degrees at 5 A.M., but don't worry - we'll warm up nicely through the morning.