Weather in Marietta, IL
Marietta, Thursday, 29 October, 06:14
Clear. Feels like 62°. High 73°, low 54°.
0.04
Marietta, Friday, 30 October
Light rain. High 67°, low 50°.
0.08Marietta, Saturday, 31 October
Light rain. High 66°, low 55°.
0
Marietta, Sunday, 1 November
Overcast. High 66°, low 55°.
0.06Marietta, Monday, 2 November
Light rain. High 65°, low 57°.
0.79Marietta, Tuesday, 3 November
Rain. High 69°, low 62°.
0.23Marietta, Wednesday, 4 November
Rain. High 68°, low 50°.
0
Marietta, Thursday, 5 November
Clear. High 53°, low 41°.
0Marietta, Friday, 6 November
Clear. High 55°, low 38°.
0Marietta, Saturday, 7 November
Overcast. High 56°, low 40°.
0Marietta, Sunday, 8 November
Overcast. High 67°, low 51°.
0.76Marietta, Monday, 9 November
Rain. High 60°, low 52°.
0.02Marietta, Tuesday, 10 November
Light rain. High 55°, low 51°.
0Marietta, Wednesday, 11 November
Overcast. High 61°, low 52°.
0Marietta, Thursday, 12 November
Overcast. High 68°, low 50°.
0Marietta, Friday, 13 November
Clear. High 72°, low 52°.
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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