Waterville Valley, Sunday, 9 August, 00:38
Mostly clear. Feels like 58°. High 86°, low 58°.
Waterville Valley, Monday, 10 August
Rain. High 78°, low 57°.
Waterville Valley, Tuesday, 11 August
Light rain. High 75°, low 58°.
Waterville Valley, Wednesday, 12 August
Light rain. High 69°, low 56°.
Waterville Valley, Thursday, 13 August
Light rain. High 71°, low 51°.
Waterville Valley, Friday, 14 August
Overcast. High 62°, low 44°.
Waterville Valley, Saturday, 15 August
Overcast. High 66°, low 49°.
Waterville Valley, Sunday, 16 August
Clear. High 70°, low 47°.
Waterville Valley, Monday, 17 August
Overcast. High 72°, low 50°.
Waterville Valley, Tuesday, 18 August
Light rain. High 68°, low 54°.
Waterville Valley, Wednesday, 19 August
Light rain. High 70°, low 56°.
Waterville Valley, Thursday, 20 August
Heavy rain. High 65°, low 55°.
Waterville Valley, Friday, 21 August
Light rain. High 55°, low 52°.
Waterville Valley, Saturday, 22 August
Clear. High 65°, low 42°.
Waterville Valley, Sunday, 23 August
Light rain. High 73°, low 47°.
Waterville Valley, Monday, 24 August
Rain. High 69°, low 58°.
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Waterville Valley, NH are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
They are real temperature extremes recorded in Waterville Valley, NH since 1960: the highest and lowest reading for each calendar date, with the year it happened.
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.