10-day forecast for Rock Valley, IA: 29° to 73°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Thursday, October 22
63° · 0.76 in
Worst day: Saturday, October 24
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2172° / 47°0
Morning47°feels 46°
Afternoon70°feels 69°
Evening57°feels 56°
Overnight52°feels 51°
72 °
Rock Valley, Wednesday, 21 October
Clear. High 72°, low 47°.
Pressure30.18 inHg
Wind2.3 mph S
Humidity66%
Visibility6.2 mi
Dew point52°
Thu, 2273° / 51°0
Morning51°feels 51°
Afternoon72°feels 72°
Evening63°feels 62°
Overnight53°feels 53°
73 °
Rock Valley, Thursday, 22 October
Clear. High 73°, low 51°.
Pressure30.21 inHg
Wind7.4 mph SE
Humidity65%
Visibility6.2 mi
Dew point56°
Fri, 2372° / 57°0.01
Morning57°feels 56°
Afternoon71°feels 70°
Evening67°feels 65°
Overnight59°feels 58°
72 °
Rock Valley, Friday, 23 October
Light rain. High 72°, low 57°.
Pressure30.03 inHg
Wind15.3 mph S
Humidity54%
Visibility6.2 mi
Dew point50°
Sat, 2463° / 52°0.76
Morning58°feels 58°
Afternoon58°feels 58°
Evening53°feels 52°
Overnight62°feels 61°
63 °
Rock Valley, Saturday, 24 October
Rain. High 63°, low 52°.
Pressure30.18 inHg
Wind16.4 mph S
Humidity82%
Visibility—
Dew point53°
Sun, 2554° / 45°0.09
Morning47°feels 44°
Afternoon52°feels 49°
Evening49°feels 45°
Overnight47°feels 42°
54 °
Rock Valley, Sunday, 25 October
Light rain. High 54°, low 45°.
Pressure30.45 inHg
Wind10.4 mph NE
Humidity46%
Visibility—
Dew point32°
Mon, 2644° / 35°0.17
Morning41°feels 35°
Afternoon41°feels 35°
Evening38°feels 34°
Overnight37°feels 31°
44 °
Rock Valley, Monday, 26 October
Light rain. High 44°, low 35°.
Pressure30.39 inHg
Wind13.4 mph N
Humidity61%
Visibility—
Dew point29°
Tue, 2740° / 31°0
Morning33°feels 23°
Afternoon37°feels 29°
Evening34°feels 28°
Overnight31°feels 25°
40 °
Rock Valley, Tuesday, 27 October
Partly cloudy. High 40°, low 31°.
Pressure30.65 inHg
Wind15.4 mph NW
Humidity38%
Visibility—
Dew point13°
Wed, 2854° / 29°0
Morning35°feels 27°
Afternoon48°feels 42°
Evening45°feels 40°
Overnight39°feels 33°
54 °
Rock Valley, Wednesday, 28 October
Clear. High 54°, low 29°.
Pressure30.18 inHg
Wind18 mph SW
Humidity44%
Visibility—
Dew point26°
Thu, 2949° / 31°0
Morning35°feels 29°
Afternoon45°feels 39°
Evening41°feels 36°
Overnight37°feels 31°
49 °
Rock Valley, Thursday, 29 October
Clear. High 49°, low 31°.
Pressure30.24 inHg
Wind14.5 mph NW
Humidity41%
Visibility—
Dew point21°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Rock Valley, IA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.