Weather in Harmon, OK
Harmon, Wednesday, 7 October, 09:44
Clear. Feels like 58°. High 86°, low 58°.
Monthly outlook for Harmon, OK: average high 77.3°, average low 59.5°. That is 3.1° above the climate normal for October. Precipitation is expected on 3 days (about 0.9 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 12 October (94.5°), the coolest 17 October (43.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 7 October – 16 October | 84.3° | 72.6° | +6.5° |
| 17 October – 26 October | 65.6° | 69.3° | -2.1° |
| 27 October – 5 November | at normal | 63.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Arnett (12 mi).
0Harmon, Thursday, 8 October
Clear. High 85°, low 57°.
0Harmon, Friday, 9 October
Clear. High 85°, low 62°.
0Harmon, Saturday, 10 October
Clear. High 85°, low 64°.
0
Harmon, Sunday, 11 October
Partly cloudy. High 92°, low 66°.
0Harmon, Monday, 12 October
Clear. High 94°, low 73°.
0.02
Harmon, Tuesday, 13 October
Light rain. High 85°, low 70°.
0.02Harmon, Wednesday, 14 October
Light rain. High 84°, low 65°.
0.07Harmon, Thursday, 15 October
Light rain. High 84°, low 68°.
0Harmon, Friday, 16 October
Clear. High 63°, low 47°.
0
Harmon, Saturday, 17 October
Mostly clear. High 60°, low 44°.
0.01Harmon, Sunday, 18 October
Light rain. High 58°, low 50°.
0
Harmon, Monday, 19 October
Overcast. High 64°, low 52°.
0Harmon, Tuesday, 20 October
Overcast. High 76°, low 55°.
0.14Harmon, Wednesday, 21 October
Light rain. High 74°, low 63°.
0.61Harmon, Thursday, 22 October
Rain. High 63°, low 58°.
0.03Harmon, Friday, 23 October
Climate normal for this date — 60-year average.
0.05Harmon, Saturday, 24 October
Climate normal for this date — 60-year average.
0.06Harmon, Sunday, 25 October
Climate normal for this date — 60-year average.
0.03Harmon, Monday, 26 October
Climate normal for this date — 60-year average.
0.04Harmon, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.06Harmon, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.09Harmon, Thursday, 29 October
Climate normal for this date — 60-year average.
0.12Harmon, Friday, 30 October
Climate normal for this date — 60-year average.
0.17Harmon, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Harmon, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Harmon, Monday, 2 November
Climate normal for this date — 60-year average.
0.05Harmon, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.06Harmon, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.01Harmon, Thursday, 5 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 Harmon, OK 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 Harmon, OK 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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