Weather St. Catharines today
| 20 °C | 19 °C | 12 pm | |
| 21 °C | 19 °C | 3 pm | |
| 21 °C | 20 °C | 5 pm | |
| 17 °C | 16 °C | 10 pm |
sunrise 6:45 am
sunset 7:44 pm
HOURLY
sunset 7:44 pm
Weather forecast St. Catharines Sept. 5, 2025
Afternoon in the afternoon clear, in the evening initially clear, later cloudy. The highest temperature 21 °C. At night overcast. The lowest temperature 13 °C.Meteogram is being loaded
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Weather forecast St. Catharines, Ontario extended forecast
| Time | State Temp. Feels like | Precip. | Wind | Pressure | Humidity | Dew | total |
Fog | Low |
Middle |
High |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Today, Friday 09/05/2025 |
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| 10 AM
7 PM
| clear | 18 °C 17 °C |
0.0 mm | 9.6 m/s35 km/h south-southwest |
1007 hPa | 72 % | 13 °C | 9 % | 0% | 3% | 7% | 0% | |
| 11 AM
8 PM
| clear | 20 °C 19 °C |
0.0 mm | 10.0 m/s36 km/h south-southwest |
1006 hPa | 61 % | 11 °C | 6 % | 0% | 0% | 6% | 0% | |
| 12 PM
9 PM
| cloudy | 20 °C 18 °C |
0.0 mm | 10.3 m/s37 km/h south-southwest |
1006 hPa | 53 % | 10 °C | 50 % | 0% | 0% | 50% | 0% | |
| 1 PM
10 PM
| partly cloudy | 21 °C 19 °C |
0.0 mm | 10.4 m/s37 km/h southwest |
1006 hPa | 48 % | 9 °C | 27 % | 0% | 0% | 27% | 0% | |
| 2 PM
11 PM
| cloudy | 21 °C 19 °C |
0.0 mm | 10.6 m/s38 km/h southwest |
1006 hPa | 49 % | 10 °C | 57 % | 0% | 0% | 57% | 0% | |
| 3 PM
12 AM
| partly cloudy | 21 °C 19 °C |
0.0 mm | 10.8 m/s39 km/h southwest |
1006 hPa | 51 % | 10 °C | 22 % | 0% | 0% | 21% | 0% | |
| 4 PM
1 AM
| partly cloudy | 21 °C 19 °C |
0.0 mm | 10.8 m/s39 km/h southwest |
1006 hPa | 55 % | 11 °C | 26 % | 0% | 14% | 25% | 0% | |
| 5 PM
2 AM
| clear | 21 °C 20 °C |
0.0 mm | 9.6 m/s35 km/h west-southwest |
1006 hPa | 59 % | 12 °C | 6 % | 0% | 4% | 4% | 0% | |
| 6 PM
3 AM
| clear | 21 °C 20 °C |
0.0 mm | 9.0 m/s32 km/h west-southwest |
1007 hPa | 58 % | 12 °C | 0 % | 0% | 0% | 0% | 0% | |
| 7 PM
4 AM
| clear | 20 °C 19 °C |
0.0 mm | 8.0 m/s29 km/h west-southwest |
1007 hPa | 60 % | 11 °C | 0 % | 0% | 0% | 0% | 0% | |
| 8 PM
5 AM
| clear | 19 °C 18 °C |
0.0 mm | 8.4 m/s30 km/h west-southwest |
1009 hPa | 63 % | 11 °C | 0 % | 0% | 0% | 0% | 0% | |
| 9 PM
6 AM
| cloudy | 18 °C 17 °C |
0.0 mm | 6.8 m/s24 km/h west |
1010 hPa | 66 % | 11 °C | 100 % | 0% | 0% | 0% | 100% | |
| 10 PM
7 AM
| cloudy | 17 °C 17 °C |
0.0 mm | 6.9 m/s25 km/h west |
1011 hPa | 76 % | 12 °C | 100 % | 0% | 0% | 0% | 100% | |
| 11 PM
8 AM
| cloudy | 17 °C 16 °C |
0.0 mm | 6.1 m/s22 km/h west |
1012 hPa | 66 % | 10 °C | 100 % | 0% | 0% | 0% | 100% | |
Tomorrow, Saturday 09/06/2025 |
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| 12 AM
9 AM
| cloudy | 16 °C 15 °C |
0.0 mm | 6.4 m/s23 km/h west-northwest |
1013 hPa | 70 % | 10 °C | 100 % | 0% | 0% | 0% | 100% | |
| 1 AM
10 AM
| cloudy | 15 °C 14 °C |
0.0 mm | 5.0 m/s18 km/h west |
1013 hPa | 73 % | 10 °C | 100 % | 0% | 10% | 1% | 100% | |
| 2 AM
11 AM
| overcast | 14 °C 13 °C |
0.0 mm | 4.5 m/s16 km/h west-southwest |
1014 hPa | 74 % | 9 °C | 98 % | 0% | 14% | 4% | 97% | |
| 3 AM
12 PM
| cloudy | 14 °C 13 °C |
0.0 mm | 5.0 m/s18 km/h southwest |
1014 hPa | 73 % | 9 °C | 97 % | 0% | 3% | 0% | 96% | |
| 4 AM
1 PM
| cloudy | 14 °C 13 °C |
0.0 mm | 4.9 m/s18 km/h southwest |
1014 hPa | 73 % | 8 °C | 89 % | 0% | 2% | 4% | 88% | |
| 5 AM
2 PM
| overcast | 13 °C 12 °C |
0.0 mm | 4.8 m/s17 km/h south-southwest |
1014 hPa | 73 % | 8 °C | 100 % | 0% | 0% | 96% | 100% | |
| 6 AM
3 PM
| overcast | 13 °C 12 °C |
0.0 mm | 4.9 m/s18 km/h southwest |
1014 hPa | 71 % | 8 °C | 100 % | 0% | 0% | 94% | 100% | |
| 7 AM
4 PM
| overcast | 13 °C 11 °C |
0.0 mm | 5.2 m/s19 km/h southwest |
1014 hPa | 70 % | 8 °C | 100 % | 0% | 0% | 99% | 100% | |
| 8 AM
5 PM
| overcast | 13 °C 11 °C |
0.0 mm | 5.1 m/s18 km/h southwest |
1015 hPa | 69 % | 7 °C | 100 % | 0% | 0% | 100% | 100% | |
| 9 AM
6 PM
| overcast | 14 °C 13 °C |
0.0 mm | 5.0 m/s18 km/h southwest |
1015 hPa | 67 % | 7 °C | 100 % | 0% | 0% | 100% | 100% | |
| 10 AM
7 PM
| overcast | 14 °C 13 °C |
0.0 mm | 5.0 m/s18 km/h southwest |
1016 hPa | 67 % | 8 °C | 96 % | 0% | 0% | 18% | 96% | |
| 11 AM
8 PM
| cloudy | 16 °C 14 °C |
0.0 mm | 4.8 m/s17 km/h west-southwest |
1016 hPa | 56 % | 7 °C | 46 % | 0% | 0% | 0% | 46% | |
| 12 PM
9 PM
| cloudy | 18 °C 17 °C |
0.0 mm | 4.5 m/s16 km/h west-southwest |
1016 hPa | 50 % | 7 °C | 78 % | 0% | 9% | 0% | 75% | |
| 1 PM
10 PM
| overcast | 19 °C 17 °C |
0.0 mm | 5.4 m/s19 km/h west |
1015 hPa | 46 % | 6 °C | 100 % | 0% | 91% | 93% | 95% | |
| 2 PM
11 PM
| overcast | 19 °C 17 °C |
0.0 mm | 6.0 m/s22 km/h west |
1015 hPa | 45 % | 6 °C | 100 % | 0% | 26% | 93% | 100% | |
| 3 PM
12 AM
| overcast | 19 °C 17 °C |
0.0 mm | 6.3 m/s23 km/h west-southwest |
1014 hPa | 46 % | 7 °C | 100 % | 0% | 70% | 98% | 98% | |
| 4 PM
1 AM
| overcast | 18 °C 16 °C |
0.0 mm | 5.8 m/s21 km/h west-southwest |
1014 hPa | 52 % | 8 °C | 100 % | 0% | 18% | 83% | 100% | |
| 5 PM
2 AM
| overcast | 18 °C 16 °C |
0.0 mm | 6.2 m/s22 km/h west-southwest |
1014 hPa | 53 % | 8 °C | 99 % | 0% | 28% | 83% | 93% | |
| 6 PM
3 AM
| cloudy | 18 °C 16 °C |
0.0 mm | 6.0 m/s22 km/h west-southwest |
1015 hPa | 53 % | 8 °C | 41 % | 0% | 36% | 25% | 0% | |
| 7 PM
4 AM
| cloudy | 17 °C 16 °C |
0.0 mm | 5.5 m/s20 km/h west |
1015 hPa | 58 % | 9 °C | 50 % | 0% | 42% | 43% | 0% | |
| 8 PM
5 AM
| partly cloudy | 16 °C 15 °C |
0.0 mm | 4.9 m/s18 km/h west-southwest |
1015 hPa | 67 % | 10 °C | 36 % | 0% | 34% | 6% | 0% | |
| 9 PM
6 AM
| clear | 15 °C 15 °C |
0.0 mm | 4.2 m/s15 km/h west-southwest |
1016 hPa | 80 % | 11 °C | 12 % | 0% | 10% | 3% | 0% | |
| 10 PM
7 AM
| partly cloudy | 14 °C 14 °C |
0.0 mm | 3.3 m/s12 km/h west-southwest |
1016 hPa | 86 % | 11 °C | 30 % | 0% | 23% | 19% | 0% | |
| 11 PM
8 AM
| cloudy | 14 °C 14 °C |
0.0 mm | 2.5 m/s9 km/h southwest |
1016 hPa | 87 % | 11 °C | 59 % | 0% | 19% | 57% | 0% | |
St. Catharines, Ontario - information
State: OntarioGPS coordinates: 43.1713; -79.2427
Time zone: America / Toronto
time difference in hours with time in US is -6 hours
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Weather forecast for St. Catharines is supplied by MET Norway Norwegian Meteorological Institute and the NRK.Feels like
To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.⇵ Weather with Meteobox for your website
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Astronomical information St. Catharines
data are always in the local timeSun and light
Sept. 5, 2025
| Sunrise: | Sunset: |
| 6:45 am | 7:44 pm |
| Noon: | Length of day: |
| 1:15 pm | 12:58 |
| Start of civil twilight*: | End of civil twilight*: |
| 6:16 am | 8:14 pm |
| Start of nautical twilight*: | End of nautical twilight*: |
| 5:42 am | 8:47 pm |
| Start of astronomical twilight*: | End of astronomical twilight*: |
| 5:06 am | 9:23 pm |
| * What is Twilight? | |
Moon and moon phases
| Moonrise: | Moonset: |
| 09/04/2025 6:29 pm | 09/05/2025 3:57 am |
| Next new moon: | Next full moon: |
| 09/22/2025 | 09/07/2025 |
