Weather in Granby, CT
Granby, Tuesday, 13 October, 17:20
Overcast. Feels like 62°. High 64°, low 54°.
Monthly outlook for Granby, CT: average high 60.2°, average low 45.3°. That is 0.8° above the climate normal for October. Precipitation is expected on 5 days (about 1.9 inches), against a normal of 5 days and 2.4 inches. The warmest day looks like 14 October (69.3°), the coolest 26 October (32.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 October – 22 October | 63.4° | 59.8° | +2° |
| 23 October – 1 November | 54.8° | 56.1° | -0.7° |
| 2 November – 11 November | at normal | 52.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Riverton (9 mi).
0.03
Granby, Wednesday, 14 October
Light rain. High 69°, low 58°.
0Granby, Thursday, 15 October
Overcast. High 60°, low 48°.
0.59Granby, Friday, 16 October
Rain. High 69°, low 49°.
0.01Granby, Saturday, 17 October
Light rain. High 47°, low 37°.
0
Granby, Sunday, 18 October
Clear. High 56°, low 34°.
0Granby, Monday, 19 October
Overcast. High 64°, low 45°.
0Granby, Tuesday, 20 October
Overcast. High 67°, low 50°.
0
Granby, Wednesday, 21 October
Partly cloudy. High 69°, low 49°.
0
Granby, Thursday, 22 October
Mostly clear. High 67°, low 51°.
0.2Granby, Friday, 23 October
Rain. High 56°, low 42°.
0.31Granby, Saturday, 24 October
Rain. High 60°, low 49°.
0Granby, Sunday, 25 October
Clear. High 53°, low 37°.
0Granby, Monday, 26 October
Clear. High 54°, low 32°.
0.13Granby, Tuesday, 27 October
Light rain. High 52°, low 40°.
0.63Granby, Wednesday, 28 October
Rain. High 53°, low 50°.
0.18Granby, Thursday, 29 October
Climate normal for this date — 60-year average.
0.17Granby, Friday, 30 October
Climate normal for this date — 60-year average.
0.09Granby, Saturday, 31 October
Climate normal for this date — 60-year average.
0.13Granby, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1Granby, Monday, 2 November
Climate normal for this date — 60-year average.
0.13
Granby, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.05Granby, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.15Granby, Thursday, 5 November
Climate normal for this date — 60-year average.
0.11Granby, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Granby, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15Granby, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Granby, Monday, 9 November
Climate normal for this date — 60-year average.
0.14Granby, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.17Granby, Wednesday, 11 November
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
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 Granby, CT are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
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.
Where do the 66-year records come from?
They are real temperature extremes recorded in Granby, CT since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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