Weather in Rock Valley, IA
Rock Valley, Saturday, 10 October, 01:26
Clear. Feels like 67°. High 85°, low 65°.
0
Rock Valley, Sunday, 11 October
Overcast. High 81°, low 64°.
0
Rock Valley, Monday, 12 October
Clear. High 80°, low 58°.
0Rock Valley, Tuesday, 13 October
Overcast. High 64°, low 54°.
0Rock Valley, Wednesday, 14 October
Overcast. High 62°, low 49°.
0.03
Rock Valley, Thursday, 15 October
Light rain. High 63°, low 48°.
0.01Rock Valley, Friday, 16 October
Light rain. High 52°, low 38°.
0Rock Valley, Saturday, 17 October
Overcast. High 44°, low 31°.
0Rock Valley, Sunday, 18 October
Overcast. High 60°, low 36°.
0Rock Valley, Monday, 19 October
Clear. High 62°, low 42°.
0.18Rock Valley, Tuesday, 20 October
Light rain. High 60°, low 50°.
0.34Rock Valley, Wednesday, 21 October
Rain. High 59°, low 51°.
0Rock Valley, Thursday, 22 October
Clear. High 60°, low 46°.
0Rock Valley, Friday, 23 October
Overcast. High 60°, low 44°.
0Rock Valley, Saturday, 24 October
Clear. High 54°, low 40°.
0Rock Valley, Sunday, 25 October
Overcast. High 50°, low 43°.
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 Rock Valley, 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 Rock Valley, 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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