Weather in Dorchester, IA
Dorchester, Monday, 9 November, 00:42
Partly cloudy. Feels like 37°. High 65°, low 36°.
Monthly outlook for Dorchester, IA: average high 50°, average low 36.1°. That is 4.5° above the climate normal for November. Precipitation is expected on 4 days (about 0.4 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 9 November (65.2°), the coolest 14 November (26.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 November – 18 November | 50.3° | 43.2° | +3.9° |
| 19 November – 28 November | 49.5° | 38.3° | +6.2° |
| 29 November – 8 December | at normal | 32.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Caledonia (11 mi).
0
Dorchester, Tuesday, 10 November
Partly cloudy. High 58°, low 37°.
0.02
Dorchester, Wednesday, 11 November
Light rain. High 56°, low 40°.
0
Dorchester, Thursday, 12 November
Overcast. High 40°, low 35°.
0Dorchester, Friday, 13 November
Overcast. High 40°, low 29°.
0
Dorchester, Saturday, 14 November
Mostly clear. High 42°, low 27°.
0Dorchester, Sunday, 15 November
Overcast. High 49°, low 30°.
0
Dorchester, Monday, 16 November
Clear. High 51°, low 34°.
0Dorchester, Tuesday, 17 November
Overcast. High 50°, low 36°.
0.17Dorchester, Wednesday, 18 November
Light rain. High 52°, low 44°.
0Dorchester, Thursday, 19 November
Mostly clear. High 47°, low 38°.
0.04Dorchester, Friday, 20 November
Light rain. High 47°, low 38°.
0Dorchester, Saturday, 21 November
Clear. High 43°, low 31°.
0.01Dorchester, Sunday, 22 November
Light rain. High 45°, low 29°.
0.13Dorchester, Monday, 23 November
Rain. High 58°, low 44°.
0.05Dorchester, Tuesday, 24 November
Light rain. High 57°, low 52°.
0.05Dorchester, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.07
Dorchester, Thursday, 26 November
Climate normal for this date — 60-year average.
0.09Dorchester, Friday, 27 November
Climate normal for this date — 60-year average.
0.08Dorchester, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Dorchester, Sunday, 29 November
Climate normal for this date — 60-year average.
0.06Dorchester, Monday, 30 November
Climate normal for this date — 60-year average.
0.08Dorchester, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.05Dorchester, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.08Dorchester, Thursday, 3 December
Climate normal for this date — 60-year average.
0.07Dorchester, Friday, 4 December
Climate normal for this date — 60-year average.
0.06Dorchester, Saturday, 5 December
Climate normal for this date — 60-year average.
0.02Dorchester, Sunday, 6 December
Climate normal for this date — 60-year average.
0.04Dorchester, Monday, 7 December
Climate normal for this date — 60-year average.
0.04Dorchester, 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 Dorchester, 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 Dorchester, 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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