Weather in Harlan, IA
Harlan, Monday, 9 November, 14:20
Clear. Feels like 68°. High 69°, low 40°.
Monthly outlook for Harlan, IA: average high 52.9°, average low 38.4°. That is 3.6° above the climate normal for November. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 9 November (69.1°), the coolest 14 November (25.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 November – 18 November | 56.6° | 47.7° | +4.9° |
| 19 November – 28 November | 46.7° | 42.7° | +2.2° |
| 29 November – 8 December | at normal | 37° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Kimballton (13 mi).
0Harlan, Tuesday, 10 November
Clear. High 63°, low 38°.
0Harlan, Wednesday, 11 November
Clear. High 57°, low 42°.
0
Harlan, Thursday, 12 November
Overcast. High 44°, low 39°.
0
Harlan, Friday, 13 November
Partly cloudy. High 40°, low 30°.
0Harlan, Saturday, 14 November
Partly cloudy. High 43°, low 25°.
0Harlan, Sunday, 15 November
Overcast. High 59°, low 38°.
0
Harlan, Monday, 16 November
Mostly clear. High 65°, low 47°.
0Harlan, Tuesday, 17 November
Overcast. High 61°, low 54°.
0Harlan, Wednesday, 18 November
Overcast. High 66°, low 57°.
0.22
Harlan, Thursday, 19 November
Light rain. High 60°, low 44°.
0Harlan, Friday, 20 November
Overcast. High 44°, low 36°.
0Harlan, Saturday, 21 November
Overcast. High 43°, low 30°.
0.09
Harlan, Sunday, 22 November
Light snow. High 39°, low 33°.
0Harlan, Monday, 23 November
Clear. High 43°, low 30°.
0Harlan, Tuesday, 24 November
Partly cloudy. High 50°, low 32°.
0.02Harlan, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.07Harlan, Thursday, 26 November
Climate normal for this date — 60-year average.
0.08Harlan, Friday, 27 November
Climate normal for this date — 60-year average.
0.07Harlan, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Harlan, Sunday, 29 November
Climate normal for this date — 60-year average.
0.04Harlan, Monday, 30 November
Climate normal for this date — 60-year average.
0.08Harlan, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.04Harlan, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.06Harlan, Thursday, 3 December
Climate normal for this date — 60-year average.
0.04Harlan, Friday, 4 December
Climate normal for this date — 60-year average.
0.04Harlan, Saturday, 5 December
Climate normal for this date — 60-year average.
0.04Harlan, Sunday, 6 December
Climate normal for this date — 60-year average.
0.04Harlan, Monday, 7 December
Climate normal for this date — 60-year average.
0.06Harlan, Tuesday, 8 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 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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