Weather in Grantville, CT
Grantville, Sunday, 15 November, 02:36
Overcast. Feels like 31°. High 41°, low 33°.
Monthly outlook for Grantville, CT: average high 46.5°, average low 31.1°. That is 0.3° above the climate normal for November. Precipitation is expected on 1 day (about 1.2 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 28 November (58.4°), the coolest 25 November (18.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 48.1° | 46.4° | +1° |
| 25 November – 4 December | 43.7° | 44° | -0.1° |
| 5 December – 14 December | at normal | 39.2° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Riverton (7 mi).
0Grantville, Monday, 16 November
Overcast. High 43°, low 34°.
0
Grantville, Tuesday, 17 November
Mostly clear. High 50°, low 32°.
0Grantville, Wednesday, 18 November
Mostly clear. High 54°, low 34°.
0Grantville, Thursday, 19 November
Overcast. High 57°, low 32°.
0Grantville, Friday, 20 November
Mostly clear. High 55°, low 36°.
0
Grantville, Saturday, 21 November
Clear. High 53°, low 37°.
0Grantville, Sunday, 22 November
Overcast. High 55°, low 44°.
0.02
Grantville, Monday, 23 November
Snow. High 48°, low 24°.
0Grantville, Tuesday, 24 November
Overcast. High 26°, low 19°.
0Grantville, Wednesday, 25 November
Clear. High 34°, low 19°.
0
Grantville, Thursday, 26 November
Partly cloudy. High 39°, low 22°.
0Grantville, Friday, 27 November
Overcast. High 46°, low 25°.
1.22
Grantville, Saturday, 28 November
Heavy rain. High 58°, low 38°.
0Grantville, Sunday, 29 November
Light rain. High 44°, low 36°.
0Grantville, Monday, 30 November
Overcast. High 41°, low 33°.
0.15
Grantville, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.13Grantville, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.17Grantville, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11Grantville, Friday, 4 December
Climate normal for this date — 60-year average.
0.15Grantville, Saturday, 5 December
Climate normal for this date — 60-year average.
0.17Grantville, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Grantville, Monday, 7 December
Climate normal for this date — 60-year average.
0.1Grantville, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.18Grantville, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.11Grantville, Thursday, 10 December
Climate normal for this date — 60-year average.
0.23Grantville, Friday, 11 December
Climate normal for this date — 60-year average.
0.16Grantville, Saturday, 12 December
Climate normal for this date — 60-year average.
0.12Grantville, Sunday, 13 December
Climate normal for this date — 60-year average.
0.18Grantville, Monday, 14 December
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 Grantville, 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 Grantville, 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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