Weather Forecast for Barrie

Ontario, Canada

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Sunny

Current Weather - Barrie: 30°C

Ontario, Canada

Sunny

Feels like 34°C

Wind

9 km/h NW

Humidity

60%

Pressure

1010 mb

UV Index

4

Visibility

9 km

Sunny

Sunny

Saturday, August 01, 2026

High

31°C

Low

19°C

Rain Chance

36%

Hourly Forecast

Clear 22°C
22:00
Clear 21°C
23:00
Aug 02

Day Statistics

Maximum Wind

14 km/h

Humidity

77%

Precipitation

0 mm

UV Index

5

Visibility

10 km

Rain Chance

36%

Snow Chance

0%

Sun & Moon

Sunrise

06:06 AM

Sunset

08:44 PM

Moonrise

10:07 PM

Moonset

09:19 AM

Moon Phase

Waning Gibbous

Moon Illumination

83%

Air Quality

PM2.5

9.1

μg/m³

PM10

9.3

μg/m³

NO₂

12.4

μg/m³

O₃

89.2

μg/m³

SO₂

3.1

μg/m³

CO

213.3

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

585.7

Diffuse Radiation

278.6

DNI

0

GTI

0

Weather Alerts

special weather statement in effect

Orangeville - Grand Valley - Southern Dufferin County Aug 1, 01:52 PM - Aug 2, 05:52 AM
Severity: Minor Urgency: Future

Localized heavy rainfall in showers and thunderstorms is possible today. What: Local rainfall amounts of 50 to 80 mm. When: This afternoon into this evening. Additional rainfall is possible on Sunday. Additional information: Showers and thunderstorms will repeatedly move through the region today. Localized heavy rainfall is possible for areas that receive multiple thunderstorms. Rainfall warnings will be issued when the location of the heaviest rain becomes more certain. Water will likely pool on roads and in low-lying areas. Visibility will likely be suddenly reduced at times. For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit https://www.ontario.ca/page/floods for the latest details. ### Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on social media using #ONStorm.

Event: weather Certainty: Possible Category: Met