Local Forecast

Ontario, WI Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Ontario, WI

No Active Alerts

Hour-by-Hour  Current Observation

Tuesday 3:55 PM CDTTuesday 3:55 PM

°F °C
Regional Observations →
76°F

Partly Cloudy

  • 80° / 50° High / Low
  • 76° Feels Like
  • 0% Chance of Rain

Wind

14 mph

G 20 mph

NW

UV Index

7

High

Humidity

53%

Dew 57°F

Sun

5:39 AM · 8:37 PM

Rise · Set

Source: SPARTA/MCCOY AAF (KCMY). Slider scrubs the next 12 hours.

5-Day Outlook

Through Saturday

Local Radar →

This Afternoon

80° 50°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

This Afternoon

Mostly sunny. High near 79, with temperatures falling to around 76 in the afternoon. North wind around 15 mph, with gusts as high as 23 mph.

Night

Mostly clear, with a low around 49. North wind 1 to 13 mph, with gusts as high as 22 mph.

Wednesday

75° 51°

Mostly Cloudy

Overnight: Mostly Clear

Detailed forecast

Wednesday

Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. Northwest wind 1 to 5 mph.

Night

Mostly clear, with a low around 51. Northwest wind around 2 mph.

Thursday

80° 57°

Partly Sunny

Overnight: Mostly Cloudy

Detailed forecast

Thursday

Sunny, with a high near 79. West wind 0 to 3 mph.

Night

Partly cloudy, with a low around 56. Southwest wind around 2 mph.

Friday

82° 59°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Friday

Sunny, with a high near 81. South wind 2 to 7 mph.

Night

Mostly clear, with a low around 59. South wind 2 to 7 mph.

Saturday

86° 68°

Mostly Sunny

Overnight: Isolated T-storm

Detailed forecast

Saturday

Mostly sunny, with a high near 85. Southwest wind 2 to 9 mph, with gusts as high as 18 mph.

Night

A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67. Southwest wind 3 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Ontario, WI Weather Analysis Tools