Weather in Mount Parnassus, CT
Mount Parnassus, Friday, 30 October, 12:24
Clear. Feels like 67°. High 68°, low 47°.
Monthly outlook for Mount Parnassus, CT: average high 56.1°, average low 41.5°. That is 1° above the climate normal for October. Precipitation is expected on 3 days (about 1.7 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 30 October (67.9°), the coolest 13 November (32.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 60.9° | 55.7° | +2.9° |
| 9 November – 18 November | 48.2° | 51.5° | -1.8° |
| 19 November – 28 November | at normal | 48.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Old Lyme (12 mi).
0Mount Parnassus, Saturday, 31 October
Clear. High 53°, low 41°.
0Mount Parnassus, Sunday, 1 November
Clear. High 56°, low 34°.
0
Mount Parnassus, Monday, 2 November
Overcast. High 62°, low 42°.
0Mount Parnassus, Tuesday, 3 November
Overcast. High 67°, low 47°.
0Mount Parnassus, Wednesday, 4 November
Overcast. High 66°, low 51°.
0.48
Mount Parnassus, Thursday, 5 November
Rain. High 66°, low 55°.
0.63Mount Parnassus, Friday, 6 November
Rain. High 64°, low 55°.
0.04Mount Parnassus, Saturday, 7 November
Light rain. High 56°, low 45°.
0Mount Parnassus, Sunday, 8 November
Clear. High 49°, low 37°.
0Mount Parnassus, Monday, 9 November
Clear. High 49°, low 34°.
0Mount Parnassus, Tuesday, 10 November
Overcast. High 49°, low 33°.
0.56Mount Parnassus, Wednesday, 11 November
Rain. High 42°, low 39°.
0.01Mount Parnassus, Thursday, 12 November
Light rain. High 45°, low 37°.
0Mount Parnassus, Friday, 13 November
Clear. High 50°, low 32°.
0Mount Parnassus, Saturday, 14 November
Clear. High 54°, low 33°.
0.13
Mount Parnassus, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Mount Parnassus, Monday, 16 November
Climate normal for this date — 60-year average.
0.15
Mount Parnassus, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Mount Parnassus, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Mount Parnassus, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13Mount Parnassus, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Mount Parnassus, Saturday, 21 November
Climate normal for this date — 60-year average.
0.15Mount Parnassus, Sunday, 22 November
Climate normal for this date — 60-year average.
0.13Mount Parnassus, Monday, 23 November
Climate normal for this date — 60-year average.
0.1Mount Parnassus, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.15Mount Parnassus, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.2Mount 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.
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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