Long Grove, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy then Rain Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Long Grove, IL in one place.
Rain showers likely after noon. Mostly cloudy. High near 53, with temperatures falling to around 51 in the afternoon. Northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Long Grove, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 15, 2026 3:05 PM CDT.
The active forecast window currently covers Oct 16 to Oct 21, 2026 for Long Grove, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:05 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Long Grove
Wednesday looks like the warmest upcoming period in Long Grove at 70 degrees F.
Friday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday at about 15 to 20 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 3:05 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers before 7pm, then patchy frost. Mostly clear, with a low around 35. North northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Areas of frost before 9am. Sunny, with a high near 57. West northwest wind 5 to 10 mph.
Clear, with a low around 40.
Sunny, with a high near 63.
Mostly clear, with a low around 42.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 43.
Mostly sunny, with a high near 68.
Mostly clear, with a low around 46.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Mostly Cloudy then Rain Showers Likely
|
53°F |
15 to 20 mph
NW
|
|
Friday Night
Oct 16
|
Chance Rain Showers then Patchy Frost
|
35°F |
10 to 20 mph
NNW
|
|
Saturday
Oct 17
|
Areas Of Frost then Sunny
|
57°F |
5 to 10 mph
WNW
|
|
Saturday Night
Oct 17
|
Clear
|
40°F |
5 to 10 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
63°F |
10 to 15 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
42°F |
5 to 10 mph
SSW
|
|
Monday
Oct 19
|
Mostly Sunny
|
67°F |
5 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
43°F |
0 to 5 mph
SW
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
68°F |
0 to 5 mph
S
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
46°F |
0 to 5 mph
SE
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
70°F |
0 to 5 mph
S
|
|
Wednesday Night
Oct 21
|
Partly Cloudy
|
50°F |
5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Long Grove.
