St. James Farm Forest Preserve Weather Forecast
- 66
- 83
Severe Tstms
- 65
- 80
Isolated Thunderstorms
- 61
- 79
Mostly Sunny
- 64
- 85
Mostly Sunny
- 68
- 86
Chance Thunderstorms
- 65
- 85
Rain Showers Likely
Today 4 Jul DuPage
Mostly cloudy. A chance of Showers and Thunderstorms late in the Morning, then Showers likely and a chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the afternoon. Highs in the lower 80s. Northwest Winds around 5 Mph, becoming north in the afternoon. Chance of precipitation 70 percent.
Tonight 4 Jul DuPage
Mostly cloudy. Scattered Showers and Thunderstorms early in the Evening, then isolated Showers and Thunderstorms in the late evening and early morning. Some Thunderstorms may produce heavy rainfall early in the evening. Lows in the mid 60s. Northeast Winds around 5 Mph. Chance of precipitation 50 percent.
St. James Farm Forest Preserve Temperature Statistics
July Temperature
Chicago / West Chicago, Dupage Airport (5.6 miles)
Lowest 2 July, 2026
71.1 °FAverage July
83.8 °FHighest 1 July, 2026
92.6 °F
Climate (2021–2026)
Chicago / West Chicago, Dupage Airport (5.6 miles)
Average Low 2021–2026
42.1 °FAverage 2021–2026
51.9 °FAverage High 2021–2026
61.6 °F