Bartlett, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bartlett, a village in Dupage County, Illinois.
Overnight
59°F
Rain Showers
Rain showers. Cloudy. Low around 59, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Bartlett
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Rain Showers | 15 mph S | 81% |
| Wednesday | 63°F | Scattered Rain Showers then Patchy Drizzle | 15 mph SSW | 30% |
| Wednesday Night | 47°F | Patchy Drizzle then Cloudy | 15 mph SW | 13% |
| Thursday | 55°F | Chance Rain Showers | 10 to 15 mph WSW | 35% |
| Thursday Night | 40°F | Chance Rain Showers | 10 mph NW | 50% |
| Friday | 50°F | Partly Sunny | 10 to 15 mph NNW | 12% |
| Friday Night | 34°F | Partly Cloudy | 5 to 10 mph NNW | 0% |
| Saturday | 50°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 0% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 35°F | Mostly Clear | 5 mph W | 1% |
| Monday | 59°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph WSW | 1% |
| Tuesday | 61°F | Sunny | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Bartlett (41.961, -88.178). Updated through the day.
Growing snapshot for Bartlett
Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
163 days
Hardiness zone
5b
More local growing data for Bartlett: nearby ZIP 60103 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Addison
Bensenville
Bloomingdale
Burr Ridge
Carol Stream
Clarendon Hills
Darien
Downers Grove
Elmhurst
Glen Ellyn
Glendale Heights
Hanover Park
Hinsdale
Itasca
Lisle
Lombard
Naperville
Oak Brook
Oakbrook Terrace
Roselle
Villa Park
Warrenville
Wayne
West Chicago
Westmont
Wheaton
Willowbrook
Winfield
Wood Dale
Woodridge
Climate data from the nearest NOAA station, Streamwood, Il (3.7 mi from Bartlett). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.