Weather in Portland, TN
Portland, Sunday, 8 November, 16:58
Clear. Feels like 54°. High 61°, low 33°.
Monthly outlook for Portland, TN: average high 59.5°, average low 42.9°. That is 1.6° above the climate normal for November. Precipitation is expected on 5 days (about 1.4 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 19 November (68.9°), the coolest 14 November (31.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 November – 17 November | 60.3° | 57.4° | +1.6° |
| 18 November – 27 November | 58.3° | 55.1° | +1.8° |
| 28 November – 7 December | at normal | 50.6° | — |
November records over 66 years
0
Portland, Monday, 9 November
Clear. High 66°, low 37°.
0Portland, Tuesday, 10 November
Clear. High 66°, low 40°.
0.15
Portland, Wednesday, 11 November
Rain. High 67°, low 43°.
0.35Portland, Thursday, 12 November
Rain. High 56°, low 47°.
0.01Portland, Friday, 13 November
Light rain. High 44°, low 39°.
0Portland, Saturday, 14 November
Clear. High 47°, low 32°.
0Portland, Sunday, 15 November
Clear. High 60°, low 34°.
0Portland, Monday, 16 November
Clear. High 67°, low 45°.
0Portland, Tuesday, 17 November
Clear. High 68°, low 51°.
0.01Portland, Wednesday, 18 November
Light rain. High 69°, low 54°.
0.01Portland, Thursday, 19 November
Light rain. High 69°, low 57°.
0.3Portland, Friday, 20 November
Rain. High 67°, low 55°.
0.03Portland, Saturday, 21 November
Light rain. High 59°, low 45°.
0.42Portland, Sunday, 22 November
Rain. High 45°, low 40°.
0.13
Portland, Monday, 23 November
Snow. High 40°, low 34°.
0.13
Portland, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.13
Portland, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.15Portland, Thursday, 26 November
Climate normal for this date — 60-year average.
0.32Portland, Friday, 27 November
Climate normal for this date — 60-year average.
0.25Portland, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11Portland, Sunday, 29 November
Climate normal for this date — 60-year average.
0.28Portland, Monday, 30 November
Climate normal for this date — 60-year average.
0.18Portland, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.12Portland, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.13Portland, Thursday, 3 December
Climate normal for this date — 60-year average.
0.2Portland, Friday, 4 December
Climate normal for this date — 60-year average.
0.16Portland, Saturday, 5 December
Climate normal for this date — 60-year average.
0.17Portland, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Portland, Monday, 7 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, TN 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, TN 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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