Weather in Portland, TN
Portland, Friday, 30 October, 14:25
Clear. Feels like 79°. High 79°, low 47°.
Monthly outlook for Portland, TN: average high 63.8°, average low 50.2°. That is 1.9° above the climate normal for October. Precipitation is expected on 7 days (about 3.4 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 30 October (78.8°), the coolest 12 November (37.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 68.4° | 62.1° | +3.5° |
| 9 November – 18 November | 56.1° | 57.1° | -0.6° |
| 19 November – 28 November | at normal | 54.6° | — |
October records over 66 years
0
Portland, Saturday, 31 October
Overcast. High 77°, low 52°.
0.55
Portland, Sunday, 1 November
Rain. High 63°, low 55°.
0Portland, Monday, 2 November
Overcast. High 73°, low 56°.
0.09Portland, Tuesday, 3 November
Light rain. High 73°, low 62°.
0.49Portland, Wednesday, 4 November
Rain. High 73°, low 62°.
0.74Portland, Thursday, 5 November
Rain. High 65°, low 60°.
0.01Portland, Friday, 6 November
Light rain. High 61°, low 54°.
0Portland, Saturday, 7 November
Clear. High 61°, low 47°.
0Portland, Sunday, 8 November
Overcast. High 59°, low 44°.
0Portland, Monday, 9 November
Overcast. High 59°, low 44°.
0.31Portland, Tuesday, 10 November
Rain. High 61°, low 48°.
0Portland, Wednesday, 11 November
Overcast. High 47°, low 44°.
0Portland, Thursday, 12 November
Clear. High 55°, low 38°.
0.26Portland, Friday, 13 November
Rain. High 55°, low 41°.
0.99Portland, Saturday, 14 November
Heavy rain. High 60°, low 49°.
0.16
Portland, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Portland, Monday, 16 November
Climate normal for this date — 60-year average.
0.13
Portland, 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.
0.1Portland, Sunday, 22 November
Climate normal for this date — 60-year average.
0.15Portland, Monday, 23 November
Climate normal for this date — 60-year average.
0.13Portland, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.13Portland, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.15Portland, 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.
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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