Weather in Mystic, CT
Mystic, Tuesday, 20 October, 14:27
Mostly clear. Feels like 64°. High 66°, low 42°.
Monthly outlook for Mystic, CT: average high 56.8°, average low 40.9°. That is 0.9° below the climate normal for October. Precipitation is expected on 2 days (about 0.1 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 20 October (65.5°), the coolest 24 October (34.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 58.8° | 59.3° | -0.3° |
| 30 October – 8 November | 53.5° | 56.3° | -1.5° |
| 9 November – 18 November | at normal | 51.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Fishers Island (6 mi).
0
Mystic, Wednesday, 21 October
Partly cloudy. High 59°, low 39°.
0
Mystic, Thursday, 22 October
Clear. High 64°, low 40°.
0Mystic, Friday, 23 October
Clear. High 52°, low 39°.
0Mystic, Saturday, 24 October
Clear. High 56°, low 35°.
0Mystic, Sunday, 25 October
Clear. High 59°, low 35°.
0Mystic, Monday, 26 October
Partly cloudy. High 63°, low 47°.
0
Mystic, Tuesday, 27 October
Overcast. High 64°, low 55°.
0.07
Mystic, Wednesday, 28 October
Light rain. High 55°, low 38°.
0Mystic, Thursday, 29 October
Mostly clear. High 50°, low 35°.
0.04Mystic, Friday, 30 October
Light rain. High 58°, low 45°.
0Mystic, Saturday, 31 October
Clear. High 47°, low 36°.
0Mystic, Sunday, 1 November
Overcast. High 55°, low 43°.
0Mystic, Monday, 2 November
Clear. High 56°, low 42°.
0Mystic, Tuesday, 3 November
Clear. High 52°, low 38°.
0Mystic, Wednesday, 4 November
Overcast. High 53°, low 44°.
0.15
Mystic, Thursday, 5 November
Climate normal for this date — 60-year average.
0.13Mystic, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Mystic, Saturday, 7 November
Climate normal for this date — 60-year average.
0.12Mystic, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Mystic, Monday, 9 November
Climate normal for this date — 60-year average.
0.18Mystic, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.15Mystic, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.16Mystic, Thursday, 12 November
Climate normal for this date — 60-year average.
0.22Mystic, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Mystic, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Mystic, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Mystic, Monday, 16 November
Climate normal for this date — 60-year average.
0.16Mystic, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Mystic, Wednesday, 18 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 Mystic, 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 Mystic, 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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