South Londonderry, Sunday, 9 August, 17:42
Clear. Feels like 79°. High 82°, low 65°.
South Londonderry, Monday, 10 August
Overcast. High 82°, low 61°.
South Londonderry, Tuesday, 11 August
Overcast. High 80°, low 63°.
South Londonderry, Wednesday, 12 August
Rain. High 78°, low 60°.
South Londonderry, Thursday, 13 August
Light rain. High 76°, low 54°.
South Londonderry, Friday, 14 August
Overcast. High 69°, low 47°.
South Londonderry, Saturday, 15 August
Overcast. High 73°, low 49°.
South Londonderry, Sunday, 16 August
Heavy rain. High 72°, low 55°.
South Londonderry, Monday, 17 August
Light rain. High 71°, low 56°.
South Londonderry, Tuesday, 18 August
Mostly clear. High 79°, low 55°.
South Londonderry, Wednesday, 19 August
Light rain. High 79°, low 61°.
South Londonderry, Thursday, 20 August
Overcast. High 78°, low 52°.
South Londonderry, Friday, 21 August
Light rain. High 79°, low 61°.
South Londonderry, Saturday, 22 August
Overcast. High 78°, low 57°.
South Londonderry, Sunday, 23 August
Clear. High 81°, low 56°.
South Londonderry, Monday, 24 August
Light rain. High 77°, low 62°.
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 South Londonderry, VT 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 South Londonderry, VT 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.