Deerfield, WI Weather Forecast

Local 7-day forecast

49°
F

Cloudy

Track current conditions, temperature changes, wind, and the full daily outlook for Deerfield, WI in one place.

Thursday, October 15, 2026
Wind: 5 mph E
Overnight

Cloudy, with a low around 49. East wind around 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Deerfield, WI 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 4:42 AM CDT.

The active forecast window currently covers Oct 15 to Oct 21, 2026 for Deerfield, WI.

Page Snapshot

Page focus
city weather
Forecast window
Oct 15 to Oct 21, 2026
Latest sync
Oct 15, 2026 4:42 AM CDT
Forecast office
MKX
Source
NOAA / NWS
Next High
57°F
Thursday
Next Low
49°F
Overnight
Rain Outlook
4
Periods mentioning precipitation
Windiest
5 to 20 mph
Thursday Night

Daily Outlook

Today
Oct 15
Rain Showers
57 °F
/ 49°F
Wind 5 to 10 mph
Fri
Oct 16
Rain Showers Likely
53 °F
/ 30°F
Wind 15 to 20 mph
Sat
Oct 17
Widespread Frost then Sunny
55 °F
/ 38°F
Wind 0 to 10 mph
Sun
Oct 18
Sunny
62 °F
/ 41°F
Wind 15 mph
Mon
Oct 19
Mostly Sunny
65 °F
/ 41°F
Wind 5 mph
Tue
Oct 20
Mostly Sunny
68 °F
/ 43°F
Wind 0 to 5 mph
Wed
Oct 21
Mostly Sunny
69 °F
Wind 0 to 10 mph

This Week in Deerfield

Wednesday looks like the warmest upcoming period in Deerfield at 69 degrees F.

Friday Night is the coolest period ahead with temperatures near 30 degrees F.

The strongest winds are forecast for Thursday Night at about 5 to 20 mph NW.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
Oct 15, 2026 4:42 AM CDT
Coverage
7 days
Time zone
America/Chicago
Forecast office
MKX
Radar station
KMKX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Thursday
Oct 15
57°F
Rain Showers
5 to 10 mph E

A chance of rain showers between 9am and noon, then rain showers and patchy fog. Cloudy, with a high near 57. East wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Thursday Night
Oct 15
46°F
Rain Showers
5 to 20 mph NW

Rain showers and patchy fog before 10pm, then patchy fog and a slight chance of rain showers between 10pm and 11pm, then a chance of rain showers and patchy fog between 11pm and 2am. Mostly cloudy, with a low around 46. Northwest wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Friday
Oct 16
53°F
Rain Showers Likely
15 to 20 mph NW

Rain showers likely after 8am. Mostly cloudy, with a high near 53. 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.

Friday Night
Oct 16
30°F
Mostly Clear then Widespread Frost
0 to 20 mph NW

Widespread frost after 2am. Mostly clear, with a low around 30. Northwest wind 0 to 20 mph, with gusts as high as 30 mph. New rainfall amounts less than a tenth of an inch possible.

Saturday
Oct 17
55°F
Widespread Frost then Sunny
0 to 10 mph W

Widespread frost before 9am. Sunny, with a high near 55. West wind 0 to 10 mph.

Saturday Night
Oct 17
38°F
Clear
10 to 15 mph SW

Clear, with a low around 38. Southwest wind 10 to 15 mph.

Sunday
Oct 18
62°F
Sunny
15 mph SW

Sunny, with a high near 62. Southwest wind around 15 mph, with gusts as high as 25 mph.

Sunday Night
Oct 18
41°F
Mostly Clear
5 to 10 mph SW

Mostly clear, with a low around 41.

Monday
Oct 19
65°F
Mostly Sunny
5 mph SW

Mostly sunny, with a high near 65.

Monday Night
Oct 19
41°F
Partly Cloudy
0 to 5 mph W

Partly cloudy, with a low around 41.

Tuesday
Oct 20
68°F
Mostly Sunny
0 to 5 mph SE

Mostly sunny, with a high near 68.

Tuesday Night
Oct 20
43°F
Mostly Clear
0 to 5 mph SE

Mostly clear, with a low around 43.

Wednesday
Oct 21
69°F
Mostly Sunny
0 to 10 mph S

Mostly sunny, with a high near 69.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Oct 15
Cloudy
49°F
5 mph
E
Thursday
Oct 15
Rain Showers
57°F
5 to 10 mph
E
Thursday Night
Oct 15
Rain Showers
46°F
5 to 20 mph
NW
Friday
Oct 16
Rain Showers Likely
53°F
15 to 20 mph
NW
Friday Night
Oct 16
Mostly Clear then Widespread Frost
30°F
0 to 20 mph
NW
Saturday
Oct 17
Widespread Frost then Sunny
55°F
0 to 10 mph
W
Saturday Night
Oct 17
Clear
38°F
10 to 15 mph
SW
Sunday
Oct 18
Sunny
62°F
15 mph
SW
Sunday Night
Oct 18
Mostly Clear
41°F
5 to 10 mph
SW
Monday
Oct 19
Mostly Sunny
65°F
5 mph
SW
Monday Night
Oct 19
Partly Cloudy
41°F
0 to 5 mph
W
Tuesday
Oct 20
Mostly Sunny
68°F
0 to 5 mph
SE
Tuesday Night
Oct 20
Mostly Clear
43°F
0 to 5 mph
SE
Wednesday
Oct 21
Mostly Sunny
69°F
0 to 10 mph
S
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.