Weather in Tiffin, IA
Tiffin, Sunday, 1 November, 14:22
Overcast. Feels like 62°. High 63°, low 54°.
Monthly outlook for Tiffin, IA: average high 59.7°, average low 48.5°. That is 5° above the climate normal for November. Precipitation is expected on 5 days (about 1.8 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 3 November (70.9°), the coolest 12 November (38.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 1 November – 10 November | 59° | 52.5° | +3.6° |
| 11 November – 20 November | 61° | 47.6° | +7.4° |
| 21 November – 30 November | at normal | 42.4° | — |
November records over 66 years
0.41
Tiffin, Monday, 2 November
Rain. High 66°, low 56°.
1.12Tiffin, Tuesday, 3 November
Heavy rain. High 71°, low 60°.
0.07Tiffin, Wednesday, 4 November
Rain. High 58°, low 51°.
0.04Tiffin, Thursday, 5 November
Light rain. High 54°, low 48°.
0Tiffin, Friday, 6 November
Overcast. High 54°, low 42°.
0Tiffin, Saturday, 7 November
Overcast. High 58°, low 46°.
0Tiffin, Sunday, 8 November
Overcast. High 55°, low 44°.
0
Tiffin, Monday, 9 November
Partly cloudy. High 56°, low 42°.
0Tiffin, Tuesday, 10 November
Overcast. High 54°, low 44°.
0Tiffin, Wednesday, 11 November
Overcast. High 62°, low 48°.
0Tiffin, Thursday, 12 November
Overcast. High 51°, low 39°.
0
Tiffin, Friday, 13 November
Mostly clear. High 63°, low 42°.
0.13Tiffin, Saturday, 14 November
Light rain. High 62°, low 53°.
0Tiffin, Sunday, 15 November
Overcast. High 65°, low 54°.
0.01Tiffin, Monday, 16 November
Light rain. High 63°, low 53°.
0.11Tiffin, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Tiffin, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Tiffin, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09Tiffin, Friday, 20 November
Climate normal for this date — 60-year average.
0.08Tiffin, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Tiffin, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09Tiffin, Monday, 23 November
Climate normal for this date — 60-year average.
0.06Tiffin, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.06Tiffin, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.1
Tiffin, Thursday, 26 November
Climate normal for this date — 60-year average.
0.12Tiffin, Friday, 27 November
Climate normal for this date — 60-year average.
0.07Tiffin, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Tiffin, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07Tiffin, Monday, 30 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 Tiffin, 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 Tiffin, 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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