Weather in Sinclair, IA
Sinclair, Wednesday, 7 October, 14:23
Mostly clear. Feels like 75°. High 76°, low 53°.
Monthly outlook for Sinclair, IA: average high 65.2°, average low 49.2°. That is 2.3° above the climate normal for October. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 15 October (80.5°), the coolest 14 October (39.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 7 October – 16 October | 70.3° | 62.2° | +4.5° |
| 17 October – 26 October | 56.8° | 58.1° | -0.8° |
| 27 October – 5 November | at normal | 53.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — New Hartford (7 mi).
0
Sinclair, Thursday, 8 October
Partly cloudy. High 72°, low 48°.
0.31
Sinclair, Friday, 9 October
Heavy rain. High 78°, low 51°.
0
Sinclair, Saturday, 10 October
Clear. High 80°, low 65°.
0Sinclair, Sunday, 11 October
Clear. High 76°, low 60°.
0Sinclair, Monday, 12 October
Light rain. High 68°, low 55°.
0
Sinclair, Tuesday, 13 October
Overcast. High 54°, low 44°.
0Sinclair, Wednesday, 14 October
Overcast. High 59°, low 40°.
0.04Sinclair, Thursday, 15 October
Light rain. High 80°, low 57°.
0Sinclair, Friday, 16 October
Mostly clear. High 60°, low 47°.
0Sinclair, Saturday, 17 October
Overcast. High 49°, low 45°.
0.05Sinclair, Sunday, 18 October
Light rain. High 47°, low 41°.
0Sinclair, Monday, 19 October
Overcast. High 59°, low 41°.
0Sinclair, Tuesday, 20 October
Clear. High 67°, low 46°.
0Sinclair, Wednesday, 21 October
Clear. High 59°, low 46°.
0Sinclair, Thursday, 22 October
Overcast. High 59°, low 48°.
0.11
Sinclair, Friday, 23 October
Climate normal for this date — 60-year average.
0.11Sinclair, Saturday, 24 October
Climate normal for this date — 60-year average.
0.05Sinclair, Sunday, 25 October
Climate normal for this date — 60-year average.
0.07Sinclair, Monday, 26 October
Climate normal for this date — 60-year average.
0.09Sinclair, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.07Sinclair, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.08Sinclair, Thursday, 29 October
Climate normal for this date — 60-year average.
0.07Sinclair, Friday, 30 October
Climate normal for this date — 60-year average.
0.11Sinclair, Saturday, 31 October
Climate normal for this date — 60-year average.
0.17Sinclair, Sunday, 1 November
Climate normal for this date — 60-year average.
0.07Sinclair, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Sinclair, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08Sinclair, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.06Sinclair, 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 Sinclair, 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 Sinclair, 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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