Weather in Mount Parnassus, CT
Mount Parnassus, Thursday, 12 November, 06:18
Overcast. Feels like 44°. High 56°, low 44°.
Monthly outlook for Mount Parnassus, CT: average high 52°, average low 38.6°. That is 1.4° above the climate normal for November. Precipitation is expected on 4 days (about 1.0 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 25 November (64.3°), the coolest 27 November (29.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 51.2° | 50.2° | +0.6° |
| 22 November – 1 December | 53.3° | 47.9° | +3° |
| 2 December – 11 December | at normal | 44.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Old Lyme (12 mi).
0.26
Mount Parnassus, Friday, 13 November
Light rain. High 45°, low 36°.
0Mount Parnassus, Saturday, 14 November
Overcast. High 43°, low 32°.
0
Mount Parnassus, Sunday, 15 November
Mostly clear. High 45°, low 35°.
0Mount Parnassus, Monday, 16 November
Overcast. High 46°, low 33°.
0Mount Parnassus, Tuesday, 17 November
Mostly clear. High 51°, low 32°.
0
Mount Parnassus, Wednesday, 18 November
Clear. High 55°, low 36°.
0Mount Parnassus, Thursday, 19 November
Clear. High 57°, low 39°.
0Mount Parnassus, Friday, 20 November
Overcast. High 56°, low 41°.
0Mount Parnassus, Saturday, 21 November
Overcast. High 59°, low 44°.
0Mount Parnassus, Sunday, 22 November
Clear. High 58°, low 43°.
0Mount Parnassus, Monday, 23 November
Overcast. High 58°, low 47°.
0Mount Parnassus, Tuesday, 24 November
Overcast. High 56°, low 49°.
0.14Mount Parnassus, Wednesday, 25 November
Rain. High 64°, low 45°.
0.42Mount Parnassus, Thursday, 26 November
Rain. High 43°, low 31°.
0
Mount Parnassus, Friday, 27 November
Partly cloudy. High 41°, low 30°.
0.19
Mount Parnassus, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Mount Parnassus, Sunday, 29 November
Climate normal for this date — 60-year average.
0.14Mount Parnassus, Monday, 30 November
Climate normal for this date — 60-year average.
0.13Mount Parnassus, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.14Mount Parnassus, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.16Mount Parnassus, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11Mount Parnassus, Friday, 4 December
Climate normal for this date — 60-year average.
0.17Mount Parnassus, Saturday, 5 December
Climate normal for this date — 60-year average.
0.16Mount Parnassus, Sunday, 6 December
Climate normal for this date — 60-year average.
0.15Mount Parnassus, Monday, 7 December
Climate normal for this date — 60-year average.
0.1Mount Parnassus, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.19Mount Parnassus, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.13Mount Parnassus, Thursday, 10 December
Climate normal for this date — 60-year average.
0.26Mount Parnassus, Friday, 11 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 Mount Parnassus, 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 Mount Parnassus, 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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