Weather in Portland, ME
Portland, Saturday, 24 October, 18:22
Clear. Feels like 46°. High 58°, low 30°.
Monthly outlook for Portland, ME: average high 55.3°, average low 42.1°. That is 1.7° above the climate normal for October. Precipitation is expected on 7 days (about 2.2 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 30 October (65.6°), the coolest 24 October (29.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 57.6° | 53.2° | +2.5° |
| 3 November – 12 November | 51.5° | 49.8° | +0.9° |
| 13 November – 22 November | at normal | 45° | — |
October records over 66 years
0
Portland, Sunday, 25 October
Clear. High 63°, low 32°.
0.09
Portland, Monday, 26 October
Rain. High 62°, low 39°.
0Portland, Tuesday, 27 October
Clear. High 50°, low 37°.
0Portland, Wednesday, 28 October
Clear. High 48°, low 33°.
0.06Portland, Thursday, 29 October
Light rain. High 63°, low 37°.
0Portland, Friday, 30 October
Clear. High 66°, low 47°.
0
Portland, Saturday, 31 October
Overcast. High 53°, low 46°.
0Portland, Sunday, 1 November
Overcast. High 56°, low 44°.
0.73Portland, Monday, 2 November
Heavy rain. High 58°, low 49°.
0.83Portland, Tuesday, 3 November
Rain. High 57°, low 56°.
0.11Portland, Wednesday, 4 November
Light rain. High 60°, low 51°.
0.18Portland, Thursday, 5 November
Light rain. High 55°, low 48°.
0.04Portland, Friday, 6 November
Light rain. High 48°, low 43°.
0Portland, Saturday, 7 November
Light rain. High 44°, low 38°.
0.21Portland, Sunday, 8 November
Light rain. High 45°, low 43°.
0.1
Portland, Monday, 9 November
Climate normal for this date — 60-year average.
0.15
Portland, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11Portland, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.13Portland, Thursday, 12 November
Climate normal for this date — 60-year average.
0.16Portland, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Portland, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Portland, Sunday, 15 November
Climate normal for this date — 60-year average.
0.19Portland, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Portland, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Portland, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Portland, Thursday, 19 November
Climate normal for this date — 60-year average.
0.14Portland, Friday, 20 November
Climate normal for this date — 60-year average.
0.14Portland, Saturday, 21 November
Climate normal for this date — 60-year average.
0.15Portland, Sunday, 22 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, ME 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, ME 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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