Weather in Vandalia, IA
Vandalia, Wednesday, 28 October, 05:39
Clear. Feels like 55°. High 73°, low 55°.
Monthly outlook for Vandalia, IA: average high 60.1°, average low 47.4°. That is 4.2° above the climate normal for October. Precipitation is expected on 7 days (about 1.7 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 28 October (73.4°), the coolest 7 November (35.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 63.3° | 54.2° | +5.1° |
| 7 November – 16 November | 54.7° | 48.9° | +3.2° |
| 17 November – 26 November | at normal | 45° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mitchellville (9 mi).
0.08
Vandalia, Thursday, 29 October
Rain. High 66°, low 50°.
0.26Vandalia, Friday, 30 October
Rain. High 61°, low 48°.
0.08Vandalia, Saturday, 31 October
Light rain. High 69°, low 55°.
0.02Vandalia, Sunday, 1 November
Light rain. High 70°, low 54°.
0.41Vandalia, Monday, 2 November
Rain. High 70°, low 63°.
0.46Vandalia, Tuesday, 3 November
Rain. High 61°, low 47°.
0
Vandalia, Wednesday, 4 November
Partly cloudy. High 58°, low 44°.
0.15Vandalia, Thursday, 5 November
Light rain. High 53°, low 47°.
0
Vandalia, Friday, 6 November
Clear. High 50°, low 35°.
0Vandalia, Saturday, 7 November
Partly cloudy. High 52°, low 35°.
0
Vandalia, Sunday, 8 November
Overcast. High 53°, low 37°.
0Vandalia, Monday, 9 November
Overcast. High 61°, low 48°.
0.01Vandalia, Tuesday, 10 November
Light rain. High 56°, low 51°.
0Vandalia, Wednesday, 11 November
Partly cloudy. High 52°, low 45°.
0Vandalia, Thursday, 12 November
Overcast. High 54°, low 43°.
0.07Vandalia, Friday, 13 November
Climate normal for this date — 60-year average.
0.03
Vandalia, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Vandalia, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Vandalia, Monday, 16 November
Climate normal for this date — 60-year average.
0.1Vandalia, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Vandalia, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Vandalia, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Vandalia, Friday, 20 November
Climate normal for this date — 60-year average.
0.04Vandalia, Saturday, 21 November
Climate normal for this date — 60-year average.
0.03Vandalia, Sunday, 22 November
Climate normal for this date — 60-year average.
0.1Vandalia, Monday, 23 November
Climate normal for this date — 60-year average.
0.04Vandalia, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.06Vandalia, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.09
Vandalia, Thursday, 26 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 Vandalia, 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 Vandalia, 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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