Weather in Mount Parnassus, CT
Mount Parnassus, Monday, 9 November, 02:04
Overcast. Feels like 45°. High 55°, low 46°.
Monthly outlook for Mount Parnassus, CT: average high 49.4°, average low 37.4°. That is 0.5° below the climate normal for November. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 9 November (54.8°), the coolest 23 November (29.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 November – 18 November | 49.5° | 51.5° | -1.1° |
| 19 November – 28 November | 49.1° | 48.7° | +0.2° |
| 29 November – 8 December | at normal | 45.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Old Lyme (12 mi).
0Mount Parnassus, Tuesday, 10 November
Overcast. High 55°, low 45°.
0Mount Parnassus, Wednesday, 11 November
Overcast. High 54°, low 41°.
0
Mount Parnassus, Thursday, 12 November
Light rain. High 51°, low 41°.
0.2Mount Parnassus, Friday, 13 November
Light rain. High 47°, low 38°.
0.1
Mount Parnassus, Saturday, 14 November
Snow. High 45°, low 35°.
0.01Mount Parnassus, Sunday, 15 November
Light rain. High 46°, low 37°.
0Mount Parnassus, Monday, 16 November
Overcast. High 45°, low 35°.
0
Mount Parnassus, Tuesday, 17 November
Clear. High 50°, low 37°.
0
Mount Parnassus, Wednesday, 18 November
Partly cloudy. High 48°, low 34°.
0
Mount Parnassus, Thursday, 19 November
Mostly clear. High 49°, low 33°.
0.01Mount Parnassus, Friday, 20 November
Light rain. High 53°, low 44°.
0.14Mount Parnassus, Saturday, 21 November
Light rain. High 51°, low 41°.
0Mount Parnassus, Sunday, 22 November
Clear. High 43°, low 30°.
0Mount Parnassus, Monday, 23 November
Clear. High 47°, low 29°.
0Mount Parnassus, Tuesday, 24 November
Overcast. High 52°, low 34°.
0.15Mount Parnassus, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.2
Mount Parnassus, Thursday, 26 November
Climate normal for this date — 60-year average.
0.13Mount Parnassus, Friday, 27 November
Climate normal for this date — 60-year average.
0.19Mount 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.
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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