Niagara, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Niagara, WI in one place.
Sunny, with a high near 80. Heat index values as high as 81. South southwest wind 0 to 5 mph.
Local Weather Overview
This forecast page for Niagara, 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: Aug 2, 2026 3:07 AM CDT.
The active forecast window currently covers Aug 3 to Aug 8, 2026 for Niagara, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 3 to Aug 8, 2026
- Latest sync
- Aug 2, 2026 3:07 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Niagara
Friday looks like the warmest upcoming period in Niagara at 84 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Tuesday at about 2 to 9 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 2, 2026 3:07 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- Radar station
- KMQT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 54. South wind 2 to 6 mph.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
A chance of rain showers before 1pm. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Patchy fog after 3am. Partly cloudy, with a low around 52.
Mostly sunny, with a high near 80.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
A chance of rain showers after 7pm. Partly cloudy, with a low around 61. Chance of precipitation is 40%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 3
|
Sunny
|
80°F |
0 to 5 mph
SSW
|
|
Monday Night
Aug 3
|
Mostly Clear
|
54°F |
2 to 6 mph
S
|
|
Tuesday
Aug 4
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
81°F |
2 to 9 mph
SW
|
|
Tuesday Night
Aug 4
|
Chance Showers And Thunderstorms
|
57°F |
2 to 6 mph
WNW
|
|
Wednesday
Aug 5
|
Chance Rain Showers
|
77°F |
6 mph
NW
|
|
Wednesday Night
Aug 5
|
Partly Cloudy then Patchy Fog
|
52°F |
1 to 6 mph
NW
|
|
Thursday
Aug 6
|
Mostly Sunny
|
80°F |
2 to 7 mph
WSW
|
|
Thursday Night
Aug 6
|
Partly Cloudy then Slight Chance Rain Showers
|
58°F |
6 mph
S
|
|
Friday
Aug 7
|
Slight Chance Rain Showers then Mostly Sunny
|
84°F |
3 to 8 mph
WSW
|
|
Friday Night
Aug 7
|
Chance Rain Showers
|
61°F |
3 to 7 mph
WSW
|
|
Saturday
Aug 8
|
Chance Rain Showers
|
84°F |
3 to 7 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Niagara.