Weather in Portland, TN
Portland, Friday, 23 October, 18:15
Clear. Feels like 64°. High 73°, low 43°.
Monthly outlook for Portland, TN: average high 71.4°, average low 50.8°. That is 4.4° above the climate normal for October. Precipitation is expected on 1 day (about 0.3 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 3 November (76.6°), the coolest 5 November (40.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 72.2° | 65° | +4° |
| 2 November – 11 November | 70.1° | 60.3° | +5.4° |
| 12 November – 21 November | at normal | 56.2° | — |
October records over 66 years
0
Portland, Saturday, 24 October
Mostly clear. High 74°, low 43°.
0
Portland, Sunday, 25 October
Clear. High 73°, low 43°.
0
Portland, Monday, 26 October
Overcast. High 72°, low 51°.
0Portland, Tuesday, 27 October
Overcast. High 73°, low 50°.
0Portland, Wednesday, 28 October
Clear. High 74°, low 55°.
0Portland, Thursday, 29 October
Clear. High 74°, low 53°.
0
Portland, Friday, 30 October
Partly cloudy. High 75°, low 52°.
0Portland, Saturday, 31 October
Overcast. High 67°, low 59°.
0Portland, Sunday, 1 November
Overcast. High 66°, low 61°.
0Portland, Monday, 2 November
Overcast. High 77°, low 63°.
0.31
Portland, Tuesday, 3 November
Rain. High 77°, low 64°.
0.03Portland, Wednesday, 4 November
Light rain. High 61°, low 45°.
0Portland, Thursday, 5 November
Overcast. High 64°, low 41°.
0Portland, Friday, 6 November
Clear. High 69°, low 43°.
0Portland, Saturday, 7 November
Partly cloudy. High 73°, low 49°.
0.07Portland, Sunday, 8 November
Climate normal for this date — 60-year average.
0.16Portland, Monday, 9 November
Climate normal for this date — 60-year average.
0.13
Portland, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Portland, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Portland, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Portland, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Portland, Saturday, 14 November
Climate normal for this date — 60-year average.
0.16Portland, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Portland, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Portland, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.15Portland, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.14Portland, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11Portland, Friday, 20 November
Climate normal for this date — 60-year average.
0.13Portland, Saturday, 21 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, 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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