P1Pogoda 1RU
Bunny — Showers

Weather in St. Catharines — today, tomorrow and 14-day forecast

Updated 19.08 at 17:31
+23°
Showers
feels like +24°
3.2 m/s, S-W73%759 mmHg05:2619:16🌙 44%

Weather in St. Catharines now: +23°, showers, wind 3.2 m/s, humidity 73%. Accurate forecast for today, tomorrow, 3 days and 2 weeks — temperature, precipitation, pressure and wind.

NowTomorrow3 daysWeek2 weeks🗄 Archive📒 Diary🎣 Fishing🌊 Water t°
Showers, precipitation. Now +23°, feels like +24°, wind 3.2 m/s, S-W · precip 1.1 mm.

Weather in St. Catharines now

+24°
Feels like
3.2 m/s
Wind, S-W
73%
Humidity
1
UV index
759
Pressure, mmHg
1.1 mm
Precip, mm
05:26
Sunrise
19:16
Sunset · day 13h 50m
Share:fFacebookXX (Twitter)TGTelegram

Hourly forecast for today in St. Catharines

+23°+23°+22°+22°+22°+21°+21°+21°+20°+20°+20°+20°+20°+20°+20°+20°+21°+21°+22°+22°+22°+23°+23°+23°🌅05:26🌇19:16
18:00
+23°
19:00
+23°
🌇 sunset
20:00
+22°
0.2 mm
21:00
+22°
22:00
+22°
23:00
+21°
00:00
+21°
01:00
+21°
02:00
+20°
03:00
+20°
04:00
+20°
05:00
+20°
🌅 sunrise
06:00
+20°
07:00
+20°
08:00
+20°
09:00
+20°
10:00
+21°
11:00
+21°
12:00
+22°
13:00
+22°
14:00
+22°
15:00
+23°
16:00
+23°
17:00
+23°
swipe

Weather in St. Catharines tomorrow

From +20° to +23° — day and night.

Thursday
August 20
+20°+23°
💧 0.6 mm · 🌬 6 m/s · UV 7

Weather in St. Catharines for 3 days

From +19° to +23° — day and night.

Wednesday
August 19
+23°+23°
💧 1.1 mm · 🌬 3 m/s · UV 1
Thursday
August 20
+20°+23°
💧 0.6 mm · 🌬 6 m/s · UV 7
Friday
August 21
+19°+23°
🌬 7 m/s · UV 7

Weather in St. Catharines for the week

Including the 5-day outlook.

From +17° to +25° — day and night.

Wednesday
August 19
+23°+23°
💧 1.1 mm · 🌬 3 m/s · UV 1
Thursday
August 20
+20°+23°
💧 0.6 mm · 🌬 6 m/s · UV 7
Friday
August 21
+19°+23°
🌬 7 m/s · UV 7
Saturday
August 22
+20°+25°
💧 4.6 mm · 🌬 7 m/s · UV 1
Sunday
August 23
+19°+23°
💧 4.2 mm · 🌬 4 m/s
Monday
August 24
+17°+22°
💧 2 mm · 🌬 5 m/s
Tuesday
August 25
+17°+23°
🌬 4 m/s

Weather in St. Catharines for 2 weeks

Including the 10-day outlook.

From +17° to +25° — day and night.

Wednesday
August 19
+23°+23°
💧 1.1 mm · 🌬 3 m/s · UV 1
Thursday
August 20
+20°+23°
💧 0.6 mm · 🌬 6 m/s · UV 7
Friday
August 21
+19°+23°
🌬 7 m/s · UV 7
Saturday
August 22
+20°+25°
💧 4.6 mm · 🌬 7 m/s · UV 1
Sunday
August 23
+19°+23°
💧 4.2 mm · 🌬 4 m/s
Monday
August 24
+17°+22°
💧 2 mm · 🌬 5 m/s
Tuesday
August 25
+17°+23°
🌬 4 m/s
Wednesday
August 26
+18°+25°
🌬 4 m/s
Thursday
August 27
+20°+23°
💧 4.6 mm · 🌬 4 m/s
Friday
August 28
+19°+22°
💧 3 mm · 🌬 6 m/s
Saturday
August 29
+20°+20°
🌬 6 m/s

Weekend weather in St. Catharines

Saturday, August 22 · +25° / +20° · Showers
Sunday, August 23 · +23° / +19° · Clear

Weather for the weather-sensitive

759
Pressure, mmHg · 1 below norm
3.2 m/s
Wind, S-W
73%
Humidity
+24°
Feels like
Kp 2.3
Magnetic storms · quiet
Magnetic storms — details →

📒 Weather diary in St. Catharines

Ready-made observation table for August: past days are already filled in with weather-station data — for school and beyond. Open the diary →

What to do in St. Catharines in weather like this 🎯

🏛️Museum
🎬Cinema
A café
🛍️Shopping mall
🎳Bowling
🏊Indoor pool
🎭Theatre

🌿 Air quality & pollen

0 AQI · unhealthy
Air quality →Pollen → 📒 Weather diary →
Air-quality bunny

✉️ Weather forecast by email

Get the forecast for this city by email — every day at 17:00 Moscow time.

By clicking “Subscribe” you accept the processing of personal data. Unsubscribe in one click.
Pogoda 1 bunny with a letter
Fishing in St. Catharines: bite today — 6/10 🎣
Moderate: better in dry spells between showers. Most active is crucian carp (7/10).
🧭 759 mmHg🌖 day 7🌊 water +26°
Bite forecast →

The Moon today 🌙

Waxing moon
Illumination · 44%
13:18
Moonrise
22:15
Moonset
Lunar calendar →
Weather archive →

St. Catharines, Ontario, Canada. Population 136 803.

Precipitation map 🌧️

Open the full map & radar →

Cities near St. Catharines 📍

+19°
Torold
+23°
Sent-Katarins / Niagara Distrikt
+21°
Allanberg
+21°
Linkoln
+24°
Niagara-Fols
+21°
Pilgam
+20°
Niagara-on-te-Leyk
+22°
Niagara Fols

FAQ about weather in St. Catharines ❓

What's the weather in St. Catharines right now?

Now +23°, showers, wind 3.2 m/s, S-W, humidity 73%. Feels like +24°.

What's the weather in St. Catharines tomorrow?

Tomorrow: +23° by day, +20° at night, mostly clear.

Sunrise and sunset in St. Catharines?

Sunrise 05:26, sunset 19:16, day length 13h 50m.

What's the pressure and humidity in St. Catharines?

Pressure 759 mmHg, humidity 73%, wind 3 m/s. Matters for weather-sensitive people.

Will it rain in St. Catharines today?

Yes, rain is expected, precipitation chance —%. Take an umbrella or a raincoat.

Do I need rubber boots in St. Catharines?

In rain and puddles, rubber boots or waterproof shoes will come in handy.

Weather widget for your site

Add the “Pogoda 1” weather widget — free

Pick a city, size and color — get ready-to-paste code. Works on any site.

Get the widget →Widget bunny
St. Catharines
+23°
Pogoda 1feels +24°

Weather in St. Catharines — in detail

Weather in St. Catharines from “Pogoda 1” — an accurate, free forecast: current temperature, feels-like, wind, atmospheric pressure, humidity and precipitation. Available for today, tomorrow, 3, 5 and 10 days, a week, 2 weeks and a month, plus hourly weather, monthly climate, water temperature, air quality and an observation archive since 2017.

To quickly check the weather in St. Catharines anytime, add the city to favorites — and get a daily forecast by email at 17:00 (Moscow time). Note: the forecast may be refined as new data arrives. Data: OpenWeather, Open-Meteo, met.no.

Photo St. Catharines: Matt0401 / Public domain · Wikimedia Commons

🔔

Weather alerts for St. Catharines?

Tomorrow's forecast, storm warnings, frost and heat — every day at 17:00 city time.

This site uses cookies and the Yandex Metrica web-analytics service to work properly and analyse traffic. By continuing to use the site you agree to the Privacy Policy.