Weather in Marietta, IL
Marietta, Monday, 26 October, 07:16
Overcast. Feels like 48°. High 76°, low 48°.
0.01
Marietta, Tuesday, 27 October
Light rain. High 72°, low 49°.
0Marietta, Wednesday, 28 October
Light rain. High 75°, low 55°.
0.02Marietta, Thursday, 29 October
Light rain. High 75°, low 59°.
0.15Marietta, Friday, 30 October
Light rain. High 74°, low 59°.
0.09Marietta, Saturday, 31 October
Light rain. High 73°, low 59°.
0.17Marietta, Sunday, 1 November
Light rain. High 64°, low 57°.
0Marietta, Monday, 2 November
Light rain. High 65°, low 58°.
0.37Marietta, Tuesday, 3 November
Rain. High 60°, low 52°.
0.01Marietta, Wednesday, 4 November
Light rain. High 55°, low 47°.
0Marietta, Thursday, 5 November
Overcast. High 61°, low 52°.
0Marietta, Friday, 6 November
Overcast. High 66°, low 48°.
0
Marietta, Saturday, 7 November
Partly cloudy. High 74°, low 55°.
0
Marietta, Sunday, 8 November
Mostly clear. High 77°, low 62°.
0.04Marietta, Monday, 9 November
Light rain. High 66°, low 63°.
0.26Marietta, Tuesday, 10 November
Light rain. High 62°, low 57°.
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 Marietta, IL 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 Marietta, IL 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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