Rock Island Weather in July
Average highs run from 83°F on July 1 to 90°F on July 31, and lows from 58°F to 64°F. Normal precipitation for the month is 0.24 in over about 3 wet days.
July day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
July at a glance
- Average high
- 88°F
- Average low
- 62°F
- Precipitation
- 0.24 in
- Record high
- 109°FJul 28, 2022
- Record low
- 43°FJul 2, 1962
- Chance of a freeze
- 0%
- Days of 90°F or more
- 14.9
- Daylight
- 15 h 53 min to 14 h 57 min
- Cloud cover
- 35%
- Humidity
- 51%
- Dew point
- 47°F
- Wind
- 6.7 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jul 1 | 83°F | 58°F | 101°F 1987 | 48°F 1979 | 11% | 0% |
| Jul 2 | 84°F | 59°F | 104°F 2013 | 43°F 1962 | 11% | 0% |
| Jul 3 | 84°F | 59°F | 106°F 2015 | 47°F 1990 | 10% | 0% |
| Jul 4 | 84°F | 59°F | 105°F 2015 | 46°F 1994 | 10% | 0% |
| Jul 5 | 85°F | 59°F | 103°F 1968 | 45°F 1977 | 10% | 0% |
| Jul 6 | 85°F | 60°F | 104°F 1968 | 46°F 1971 | 10% | 0% |
| Jul 7 | 85°F | 60°F | 100°F 2015 | 43°F 1971 | 10% | 0% |
| Jul 8 | 86°F | 60°F | 103°F 1968 | 45°F 1981 | 10% | 0% |
| Jul 9 | 86°F | 61°F | 105°F 1975 | 47°F 1972 | 9% | 0% |
| Jul 10 | 87°F | 61°F | 105°F 2024 | 49°F 1972 | 9% | 0% |
| Jul 11 | 87°F | 61°F | 104°F 1990 | 48°F 1981 | 9% | 0% |
| Jul 12 | 87°F | 61°F | 104°F 2002 | 48°F 1974 | 9% | 0% |
| Jul 13 | 88°F | 62°F | 105°F 1961 | 50°F 1969 | 9% | 0% |
| Jul 14 | 88°F | 62°F | 103°F 1996 | 50°F 1969 | 9% | 0% |
| Jul 15 | 88°F | 62°F | 105°F 2014 | 50°F 1986 | 9% | 0% |
| Jul 16 | 88°F | 62°F | 106°F 2014 | 46°F 1982 | 9% | 0% |
| Jul 17 | 89°F | 63°F | 105°F 1960 | 47°F 1986 | 9% | 0% |
| Jul 18 | 89°F | 63°F | 106°F 1960 | 47°F 1996 | 9% | 0% |
| Jul 19 | 89°F | 63°F | 107°F 1979 | 49°F 1996 | 9% | 0% |
| Jul 20 | 89°F | 63°F | 105°F 1979 | 52°F 1972 | 8% | 0% |
| Jul 21 | 89°F | 63°F | 105°F 1994 | 51°F 1984 | 8% | 0% |
| Jul 22 | 90°F | 63°F | 107°F 1994 | 49°F 1982 | 8% | 0% |
| Jul 23 | 90°F | 63°F | 107°F 2006 | 49°F 1963 | 8% | 0% |
| Jul 24 | 90°F | 64°F | 105°F 1994 | 53°F 2014 | 8% | 0% |
| Jul 25 | 90°F | 64°F | 102°F 1988 | 52°F 1966 | 8% | 0% |
| Jul 26 | 90°F | 64°F | 106°F 1998 | 53°F 1983 | 8% | 0% |
| Jul 27 | 90°F | 64°F | 108°F 1998 | 54°F 1976 | 8% | 0% |
| Jul 28 | 90°F | 64°F | 109°F 2022 | 52°F 1970 | 8% | 0% |
| Jul 29 | 90°F | 64°F | 105°F 2014 | 52°F 1983 | 8% | 0% |
| Jul 30 | 90°F | 64°F | 105°F 2020 | 47°F 1993 | 8% | 0% |
| Jul 31 | 90°F | 64°F | 105°F 1971 | 51°F 1964 | 8% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- July 1
- sunrise 5:08 AM, sunset 9:01 PM
- July 31
- sunrise 5:38 AM, sunset 8:35 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094239 (Wenatchee Pangborn AP), public domain. Records: NOAA GHCN-Daily, station USW00094239, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.