Weather in Harlan, IA
Harlan, Sunday, 25 October, 03:22
Overcast. Feels like 51°. High 70°, low 50°.
Monthly outlook for Harlan, IA: average high 64.9°, average low 52°. That is 6.1° above the climate normal for October. Precipitation is expected on 6 days (about 0.9 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 28 October (73.2°), the coolest 9 November (42.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 65.9° | 55.3° | +5.9° |
| 4 November – 13 November | 63.4° | 49.8° | +7.5° |
| 14 November – 23 November | at normal | 46.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Kimballton (13 mi).
0.06
Harlan, Monday, 26 October
Light rain. High 70°, low 50°.
0.15Harlan, Tuesday, 27 October
Rain. High 65°, low 49°.
0.14Harlan, Wednesday, 28 October
Light rain. High 73°, low 57°.
0.04Harlan, Thursday, 29 October
Light rain. High 67°, low 57°.
0.21Harlan, Friday, 30 October
Rain. High 67°, low 58°.
0.2Harlan, Saturday, 31 October
Rain. High 61°, low 57°.
0.04Harlan, Sunday, 1 November
Light rain. High 67°, low 57°.
0.04Harlan, Monday, 2 November
Light rain. High 68°, low 59°.
0
Harlan, Tuesday, 3 November
Partly cloudy. High 51°, low 44°.
0Harlan, Wednesday, 4 November
Partly cloudy. High 63°, low 50°.
0Harlan, Thursday, 5 November
Overcast. High 63°, low 48°.
0
Harlan, Friday, 6 November
Mostly clear. High 71°, low 51°.
0Harlan, Saturday, 7 November
Overcast. High 70°, low 55°.
0Harlan, Sunday, 8 November
Mostly clear. High 59°, low 47°.
0
Harlan, Monday, 9 November
Clear. High 53°, low 42°.
0.08Harlan, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Harlan, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Harlan, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Harlan, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Harlan, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Harlan, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Harlan, Monday, 16 November
Climate normal for this date — 60-year average.
0.07Harlan, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Harlan, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Harlan, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Harlan, Friday, 20 November
Climate normal for this date — 60-year average.
0.03Harlan, Saturday, 21 November
Climate normal for this date — 60-year average.
0.02Harlan, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06Harlan, Monday, 23 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 Harlan, IA 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 Harlan, IA 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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