Weather in Portland, CT
Portland, Tuesday, 3 November, 22:35
Clear. Feels like 56°. High 70°, low 48°.
Monthly outlook for Portland, CT: average high 57.9°, average low 42.8°. That is 3.3° above the climate normal for November. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 4 November (74.4°), the coolest 15 November (32.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 3 November – 12 November | 62.6° | 53.6° | +5° |
| 13 November – 22 November | 50.1° | 48.6° | +0.9° |
| 23 November – 2 December | at normal | 46.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — New Britain (11 mi).
0
Portland, Wednesday, 4 November
Clear. High 74°, low 53°.
0.06
Portland, Thursday, 5 November
Rain. High 73°, low 59°.
0.19Portland, Friday, 6 November
Rain. High 69°, low 61°.
0.19Portland, Saturday, 7 November
Rain. High 66°, low 48°.
0
Portland, Sunday, 8 November
Mostly clear. High 58°, low 45°.
0
Portland, Monday, 9 November
Overcast. High 52°, low 39°.
0Portland, Tuesday, 10 November
Clear. High 62°, low 44°.
0Portland, Wednesday, 11 November
Clear. High 57°, low 42°.
0Portland, Thursday, 12 November
Overcast. High 47°, low 34°.
0Portland, Friday, 13 November
Overcast. High 49°, low 35°.
0.01Portland, Saturday, 14 November
Light rain. High 50°, low 35°.
0
Portland, Sunday, 15 November
Partly cloudy. High 42°, low 33°.
0Portland, Monday, 16 November
Mostly clear. High 50°, low 37°.
0Portland, Tuesday, 17 November
Clear. High 52°, low 34°.
0Portland, Wednesday, 18 November
Overcast. High 58°, low 39°.
0.06Portland, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13
Portland, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Portland, Saturday, 21 November
Climate normal for this date — 60-year average.
0.12Portland, Sunday, 22 November
Climate normal for this date — 60-year average.
0.13Portland, Monday, 23 November
Climate normal for this date — 60-year average.
0.08Portland, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.13Portland, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.2Portland, Thursday, 26 November
Climate normal for this date — 60-year average.
0.13Portland, Friday, 27 November
Climate normal for this date — 60-year average.
0.15Portland, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Portland, Sunday, 29 November
Climate normal for this date — 60-year average.
0.14Portland, Monday, 30 November
Climate normal for this date — 60-year average.
0.12Portland, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11Portland, Wednesday, 2 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 Portland, 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 Portland, 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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