Sparta, WI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sparta, WI in one place.
Mostly sunny. High near 67, with temperatures falling to around 64 in the afternoon. West wind 0 to 5 mph.
Local Weather Overview
This forecast page for Sparta, 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 8, 2026 9:58 AM CDT.
The active forecast window currently covers Oct 8 to Oct 14, 2026 for Sparta, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 8 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 9:58 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sparta
Saturday looks like the warmest upcoming period in Sparta at 81 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Saturday at about 6 to 16 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 9:58 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 45. Northwest wind around 1 mph.
A chance of rain showers between 1pm and 2pm. Mostly sunny. High near 73, with temperatures falling to around 69 in the afternoon. Southeast wind 0 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 60. South wind around 6 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 81. South wind 6 to 16 mph, with gusts as high as 26 mph.
Mostly clear, with a low around 61. South wind 5 to 12 mph, with gusts as high as 28 mph.
Sunny, with a high near 79. South wind 5 to 8 mph.
Partly cloudy, with a low around 58. South wind around 3 mph.
A chance of rain showers after 1pm. Partly sunny, with a high near 73. West wind 2 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
A chance of rain showers before 1am. Mostly cloudy, with a low around 48. Northwest wind around 6 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Partly sunny, with a high near 61. Northwest wind around 7 mph.
Partly cloudy, with a low around 39. Northwest wind 0 to 3 mph.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 63. South wind 0 to 6 mph. Chance of precipitation is 20%.
A chance of rain showers. Partly cloudy, with a low around 45. South wind around 5 mph. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 8
|
Mostly Sunny
|
67°F |
0 to 5 mph
W
|
|
Tonight
Oct 8
|
Partly Cloudy
|
45°F |
1 mph
NW
|
|
Friday
Oct 9
|
Mostly Sunny then Chance Rain Showers
|
73°F |
0 to 8 mph
SE
|
|
Friday Night
Oct 9
|
Mostly Clear
|
60°F |
6 mph
S
|
|
Saturday
Oct 10
|
Sunny
|
81°F |
6 to 16 mph
S
|
|
Saturday Night
Oct 10
|
Mostly Clear
|
61°F |
5 to 12 mph
S
|
|
Sunday
Oct 11
|
Sunny
|
79°F |
5 to 8 mph
S
|
|
Sunday Night
Oct 11
|
Partly Cloudy
|
58°F |
3 mph
S
|
|
Columbus Day
Oct 12
|
Partly Sunny then Chance Rain Showers
|
73°F |
2 to 8 mph
W
|
|
Monday Night
Oct 12
|
Chance Rain Showers
|
48°F |
6 mph
NW
|
|
Tuesday
Oct 13
|
Partly Sunny
|
61°F |
7 mph
NW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy
|
39°F |
0 to 3 mph
NW
|
|
Wednesday
Oct 14
|
Mostly Sunny then Slight Chance Rain Showers
|
63°F |
0 to 6 mph
S
|
|
Wednesday Night
Oct 14
|
Chance Rain Showers
|
45°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sparta.
