St. Marys, Ontario, Canada Hourly Weather

Ontario13:30 EDT43.25°N, 81.13°WElevation 325 m

Next 48 hours

13:00 16:00 19:00 22:00 Sun Oct 25 01:00 04:00 07:00 10:00 13:00 16:00 19:00 22:00 Mon Oct 26 01:00 04:00 07:00 10:00 4° 6° 8° 10° 12° 14° 16° 18° %
TemperatureFeels likeChance of precipitationNight
Saturday, October 2411 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
13:00 Sunny 14° 13° – 0.0 mm SE 6 62% 6° 0% 3
14:00 Sunny 14° 14° – 0.0 mm SE 7 58% 6° 0% 3
15:00 Sunny 15° 15° – 0.0 mm SE 9 56% 6° 0% 2
16:00 Sunny 15° 15° – 0.0 mm SE 9 57% 6° 0% 1
17:00 Sunny 15° 15° – 0.0 mm SSE 8 60% 7° 3% 0
18:00 Clear 12° 12° – 0.0 mm SSE 5 75% 8° 6% 0
19:00 Clear 10° 9° – 0.0 mm SSE 8 83% 7° 2% 0
20:00 Clear 9° 8° – 0.0 mm SSE 9 85% 7° 13% 0
21:00 Clear 8° 7° – 0.0 mm SSE 9 86% 6° 9% 0
22:00 Clear 7° 6° – 0.0 mm SSE 9 85% 5° 7% 0
23:00 Clear 7° 5° – 0.0 mm SSE 9 84% 5° 2% 0
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
00:00 Clear 7° 5° – 0.0 mm SSE 9 83% 4° 0% 0
01:00 Clear 6° 4° – 0.0 mm SE 9 84% 4° 2% 0
02:00 Clear 6° 5° – 0.0 mm SE 8 85% 4° 6% 0
03:00 Mostly clear 6° 4° – 0.0 mm SE 9 87% 4° 34% 0
04:00 Partly cloudy 6° 4° – 0.0 mm SE 9 88% 5° 84% 0
05:00 Partly cloudy 6° 5° – 0.0 mm SE 9 89% 5° 43% 0
06:00 Clear 6° 4° – 0.0 mm SSE 9 90% 5° 4% 0
07:00 Clear 6° 5° – 0.0 mm SSE 9 92% 5° 2% 0
08:00 Sunny 7° 5° – 0.0 mm S 9 95% 6° 5% 0
09:00 Sunny 9° 7° – 0.0 mm S 12 96% 8° 6% 0
10:00 Mostly sunny 11° 10° – 0.0 mm S 10 92% 10° 34% 1
11:00 Mostly sunny 13° 13° – 0.0 mm SSW 11 85% 11° 30% 2
12:00 Partly cloudy 15° 15° – 0.0 mm SW 13 73% 10° 39% 3
13:00 Partly cloudy 16° 16° – 0.0 mm SSW 13 65% 10° 41% 3
14:00 Partly cloudy 17° 17° – 0.0 mm SSW 13 61% 9° 98% 3
15:00 Partly cloudy 17° 17° – 0.0 mm SW 12 60% 9° 50% 2
16:00 Partly cloudy 17° 17° – 0.0 mm SSW 12 61% 10° 38% 1
17:00 Partly cloudy 16° 16° – 0.0 mm SSW 12 66% 10° 100% 0
18:00 Cloudy 14° 14° – 0.0 mm SSW 10 79% 11° 99% 0
19:00 Cloudy 12° 11° – 0.0 mm S 12 84% 10° 98% 0
20:00 Cloudy 12° 11° – 0.0 mm SSW 13 85% 10° 95% 0
21:00 Partly cloudy 11° 9° – 0.0 mm SSW 12 90% 9° 80% 0
22:00 Partly cloudy 11° 9° – 0.0 mm SSW 13 90% 9° 48% 0
23:00 Mostly clear 10° 8° – 0.0 mm SW 11 92% 8° 26% 0
Monday, October 2614 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
00:00 Partly cloudy 9° 8° – 0.0 mm SW 10 92% 8° 49% 0
01:00 Cloudy 9° 7° – 0.0 mm SW 10 91% 8° 100% 0
02:00 Cloudy 10° 8° – 0.0 mm SW 11 87% 8° 98% 0
03:00 Cloudy 9° 7° – 0.0 mm WSW 10 88% 7° 98% 0
04:00 Cloudy 9° 7° – 0.0 mm WSW 11 87% 7° 98% 0
05:00 Cloudy 9° 7° – 0.0 mm WSW 12 87% 7° 97% 0
06:00 Cloudy 9° 7° – 0.0 mm W 11 90% 7° 88% 0
07:00 Partly cloudy 8° 7° – 0.0 mm W 10 92% 7° 48% 0
08:00 Mostly sunny 8° 7° – 0.0 mm W 10 94% 7° 31% 0
09:00 Mostly sunny 10° 8° – 0.0 mm W 11 94% 9° 31% 0
10:00 Cloudy 12° 11° – 0.0 mm WNW 12 89% 11° 100% 1
11:00 Cloudy 12° 11° – 0.0 mm NNW 14 91% 11° 100% 2
12:00 Partly cloudy 13° 12° – 0.0 mm NNW 13 80% 10° 77% 3
13:00 Cloudy 15° 14° – 0.0 mm NW 10 67% 8° 100% 3

MET Norway forecast updated 16 hrs ago. Precipitation amounts are the forecast liquid equivalent for each hour; MET Norway gives hourly detail for about two and a half days.

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 4Search index and reflects what the press published. Terms of use.