Streamwood Weather Forecast
- 59
- 84
Mostly Sunny
- 63
- 86
Mostly Sunny
- 62
- 84
Mostly Cloudy
- 63
- 80
Slight Chance Thunderstorms
- 62
- 80
Chance Thunderstorms
- 61
- 80
Chance Rain Showers
Today 17 Sep Northern Cook
Mostly sunny. Highs in the mid 80s Inland, but only in the mid 70s near the lake. Northeast Winds 5 to 10 Mph.
Tonight 17 Sep Northern Cook
Mostly clear. Lows in the lower 60s. East Winds around 5 Mph, becoming south after midnight.
Streamwood Temperature Statistics
September Temperature
Chicago / West Chicago, Dupage Airport (9.3 miles)
Lowest 7 September, 2025
44.1 °FAverage September
64.6 °FHighest 14 September, 2025
84.9 °F
Climate (2020–Present)
Chicago / West Chicago, Dupage Airport (9.3 miles)
Average Low 2020–2025
42 °FAverage 2020–2025
51.7 °FAverage High 2020–2025
61.3 °F