Weather in Portland, CT
Portland, Tuesday, 27 October, 01:21
Clear. Feels like 54°. High 57°, low 35°.
Monthly outlook for Portland, CT: average high 57.8°, average low 41.5°. That is 1.4° above the climate normal for October. Precipitation is expected on 4 days (about 1.3 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 30 October (69.2°), the coolest 28 October (29.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 60.3° | 56.5° | +2.1° |
| 6 November – 15 November | 53.5° | 51.6° | +1.1° |
| 16 November – 25 November | at normal | 47.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — New Britain (11 mi).
0
Portland, Wednesday, 28 October
Overcast. High 59°, low 29°.
0
Portland, Thursday, 29 October
Clear. High 64°, low 44°.
0
Portland, Friday, 30 October
Mostly clear. High 69°, low 48°.
0Portland, Saturday, 31 October
Overcast. High 59°, low 44°.
0Portland, Sunday, 1 November
Overcast. High 62°, low 44°.
0.66
Portland, Monday, 2 November
Rain. High 58°, low 52°.
0.01Portland, Tuesday, 3 November
Light rain. High 57°, low 40°.
0Portland, Wednesday, 4 November
Clear. High 55°, low 36°.
0.44Portland, Thursday, 5 November
Rain. High 63°, low 46°.
0.11Portland, Friday, 6 November
Light rain. High 63°, low 46°.
0Portland, Saturday, 7 November
Clear. High 50°, low 38°.
0Portland, Sunday, 8 November
Mostly clear. High 47°, low 35°.
0
Portland, Monday, 9 November
Partly cloudy. High 47°, low 32°.
0.01Portland, Tuesday, 10 November
Light rain. High 59°, low 42°.
0.08Portland, Wednesday, 11 November
Light rain. High 57°, low 52°.
0.14
Portland, Thursday, 12 November
Climate normal for this date — 60-year average.
0.19Portland, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Portland, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Portland, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Portland, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Portland, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Portland, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Portland, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13Portland, 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.
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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