Weather in Smyrna, IA
Smyrna, Monday, 19 October, 23:48
Clear. Feels like 44°. High 67°, low 41°.
Monthly outlook for Smyrna, IA: average high 62.1°, average low 44.4°. That is 2.2° above the climate normal for October. Precipitation is expected on 3 days (about 1.1 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 21 October (72.3°), the coolest 28 October (27.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 63.6° | 59.6° | +2.2° |
| 29 October – 7 November | 59.5° | 54.5° | +2.8° |
| 8 November – 17 November | at normal | 49.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Osceola (11 mi).
0
Smyrna, Tuesday, 20 October
Clear. High 71°, low 43°.
0Smyrna, Wednesday, 21 October
Clear. High 72°, low 48°.
0Smyrna, Thursday, 22 October
Clear. High 72°, low 50°.
0Smyrna, Friday, 23 October
Clear. High 72°, low 52°.
0
Smyrna, Saturday, 24 October
Overcast. High 72°, low 56°.
0.01
Smyrna, Sunday, 25 October
Light rain. High 69°, low 57°.
0.26Smyrna, Monday, 26 October
Light rain. High 54°, low 45°.
0.46Smyrna, Tuesday, 27 October
Rain. High 45°, low 32°.
0Smyrna, Wednesday, 28 October
Clear. High 43°, low 27°.
0Smyrna, Thursday, 29 October
Clear. High 51°, low 30°.
0
Smyrna, Friday, 30 October
Mostly clear. High 58°, low 36°.
0Smyrna, Saturday, 31 October
Overcast. High 64°, low 43°.
0.02Smyrna, Sunday, 1 November
Light rain. High 62°, low 52°.
0.3Smyrna, Monday, 2 November
Rain. High 61°, low 51°.
0Smyrna, Tuesday, 3 November
Clear. High 61°, low 47°.
0.1
Smyrna, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.06Smyrna, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Smyrna, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Smyrna, Saturday, 7 November
Climate normal for this date — 60-year average.
0.03Smyrna, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Smyrna, Monday, 9 November
Climate normal for this date — 60-year average.
0.1Smyrna, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Smyrna, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Smyrna, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Smyrna, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Smyrna, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Smyrna, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Smyrna, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Smyrna, Tuesday, 17 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 Smyrna, 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 Smyrna, 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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