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St. Catharines, Ontario, Canada Weather
Current conditions
Forecast for this hour (no station report in the last two hours)
Forecast
10-day-
Thursday
Fog. High 15°.
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Thursday Night
Fog. Low 7°.
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Friday
Partly cloudy. High 13°.
MET Norway forecast updated 15 hrs ago.
Hourly
Hourly forecast- Now9°
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Daily forecast
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St. Catharines’ Oct. 19 forecast: SunnyThe daytime high is expected to reach 18 C Environment Canada is forecasting a sunny morning in St. Catharines. The daytime high is expected to reach 18 C. St. Catharines’ forecast for the rest of the week: Wednesday…
- St. Catharines’ Oct. 18 forecast: Mainly sunny
The daytime high is expected to reach 16 C Environment Canada is forecasting a mainly sunny sky this morning in St. Catharines. The daytime high is expected to reach 16 C. St. Catharines’ forecast for the rest of the…
- St. Catharines’ Oct. 17 forecast: Mainly sunny
The daytime high is expected to reach 10 C Environment Canada is forecasting a mainly sunny sky this morning in St. Catharines. The daytime high is expected to reach 10 C. St. Catharines’ forecast for the rest of the…
- Buffalo Goes From Freeze To Breeze In Weeklong Fall Warmup
The National Weather Service says the coldest readings will likely be in rural areas away from the immediate lakeshores, where frost and freeze conditions could damage cold-sensitive plants. The warning covers Buffalo…
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Autumn's Forecast: Beautiful fall weather sticks around in WNYBUFFALO, N.Y. (WKBW) — If you’ve been waiting for a good stretch of fall weather to tackle those outdoor plans, this is the week to do it across Western New York. Mainly clear and cool conditions settle in tonight, with…
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A warm start, but then what? What a super El Niño could mean for Buffalo’s winterA potentially very strong El Niño is expected to intensify through the end of 2026, with the National Weather Service giving a more than 90% chance of a very strong event and a 75% chance it could exceed previous events…
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Sunshine, comfortable days expected this week - Olean Times HeraldLeaf peepers will have an extended period of fine weather to enjoy the fall foliage, as the coming week is expected to have warm days, chilly nights and plenty of sunshine. "There's no weather this week. Just high…
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Dry start, warmer days ahead before rain chances return to KOTA TerritoryRAPID CITY, S.D. (KOTA) -A dry, mostly sunny start to the week will give way to warmer afternoons across KOTA Territory before a late-week weather system brings stronger winds, a chance of rain and cooler temperatures…
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Thanksgiving 2026 Almanac Outlook Calls for Upper Midwest Snow and Eastern Rain as Travelers Plan AheadThe Old Farmer's Almanac released its early Thanksgiving outlook on Oct. 15, predicting snow in the Upper Midwest, a rain and snow mix around the Lower Great Lakes, and rain across much of the East for Thursday, Nov…
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Autumn's Forecast: Sunday sunshine kicks off a warmer weekBUFFALO, N.Y. (WKBW) — After a chilly start, Sunday afternoon is looking much more pleasant across Western New York. Sunshine will help temperatures rebound, with highs climbing to around 60 degrees. It’ll be a great…
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Nearby
- Mississauga 56 km
- Hamilton 50 km
- Etobicoke 59 km
- Buffalo 43 km
- Oakville 47 km
- Burlington 54 km
- Amherst 42 km
- Niagara Falls 16 km
- Stoney Creek 43 km
- Cheektowaga 50 km
- Welland 21 km
- Niagara Falls 17 km
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.