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Waterdown ON Weather - Overcast
Overcast
69°F
Updated 6:46 pm
Feels Like 62°F
Humidity 46%
Wind NNE 10 mph
Barometer  30.18 in
Visibility 6 mi
Waterdown ON Weather - Overcast
Overcast
20°C
Updated 6:46 pm
Feels Like 17°C
Humidity 46%
Wind NNE 16 km/h
Barometer  102.2 kPa
Visibility 10 km
Waterdown, ON Weather and Current Conditionswaterdown on weather forecast

Waterdown, ON Weather Forecast

Waterdown Ontario WeatherWaterdown, Ontario Weather Weather Forecast
14 day API Waterdown, ON weather forecast. Note. Our 7-day weather forecast for Waterdown, Ontario is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Waterdown, ON Weather Forecast Dated: 646 PM Fri Sep 18 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and a stable pattern will dominate.

Friday, September 18, 2026

Mid-Morning
Waterdown Weather - 2026-09-18 - Morning - Sunny
17°C 62°F
Sunny
Mid-Afternoon
Waterdown Weather - 2026-09-18 - Afternoon - Overcast
22°C 71°F
Overcast
Early-Evening
Waterdown Weather - 2026-09-18 - Evening - Overcast
19°C 66°F
Overcast
Pleasant near 22°C 71°F, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds out of the NE at 12 km/h 7 mph.

Saturday, September 19, 2026

Mid-Morning
Waterdown Weather - 2026-09-19 - Morning - Overcast
15°C 59°F
Overcast
Mid-Afternoon
Waterdown Weather - 2026-09-19 - Afternoon - Overcast
17°C 63°F
Overcast
Early-Evening
Waterdown Weather - 2026-09-19 - Evening - Overcast
16°C 61°F
Overcast
Mildly cool near 17°C 63°F, overcast throughout the day, with steady humidity and barometric pressure falling. Winds switching from the E to the ENE at 21 km/h 14 mph.

Sunday, September 20, 2026

Mid-Morning
Waterdown Weather - 2026-09-20 - Morning - Scattered Showers
15°C 60°F
Scattered Showers
Mid-Afternoon
Waterdown Weather - 2026-09-20 - Afternoon - Overcast
18°C 65°F
Overcast
Early-Evening
Waterdown Weather - 2026-09-20 - Evening - Overcast
17°C 63°F
Overcast
Comfortable at 18°C 65°F, locally heavy downpours at times, with steady humidity and steady pressure. Winds ENE at 17 km/h 11 mph.

Monday, September 21, 2026

Mid-Morning
Waterdown Weather - 2026-09-21 - Morning - Scattered Showers
13°C 55°F
Scattered Showers
Mid-Afternoon
Waterdown Weather - 2026-09-21 - Afternoon - Cloudy
14°C 57°F
Cloudy
Early-Evening
Waterdown Weather - 2026-09-21 - Evening - Overcast
14°C 57°F
Overcast
Crisp with a high near 14°C 57°F, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds swinging from the ENE to the E at 27 km/h 17 mph. Gusts up to 38 km/h 24 mph.

Tuesday, September 22, 2026

Mid-Morning
Waterdown Weather - 2026-09-22 - Morning - Overcast
14°C 57°F
Overcast
Mid-Afternoon
Waterdown Weather - 2026-09-22 - Afternoon - Overcast
15°C 59°F
Overcast
Early-Evening
Waterdown Weather - 2026-09-22 - Evening - Overcast
14°C 57°F
Overcast
Refreshing around 15°C 59°F, overcast throughout the day, with increasing humidity and steady pressure. Winds blowing from the E at 32 km/h 20 mph. Gusts up to 42 km/h 26 mph.

Wednesday, September 23, 2026

Mid-Morning
Waterdown Weather - 2026-09-23 - Morning - Scattered Showers
12°C 54°F
Scattered Showers
Mid-Afternoon
Waterdown Weather - 2026-09-23 - Afternoon - Heavy Rain
11°C 53°F
Heavy Rain
Early-Evening
Waterdown Weather - 2026-09-23 - Evening - Heavy Rain
12°C 53°F
Heavy Rain
Cool and brisk at 11°C 53°F, locally heavy downpours at times, with increasing humidity and steady pressure. Winds E at 25 km/h 16 mph. Gusts up to 40 km/h 25 mph.

Thursday, September 24, 2026

Mid-Morning
Waterdown Weather - 2026-09-24 - Morning - Light Showers
13°C 55°F
Light Showers
Mid-Afternoon
Waterdown Weather - 2026-09-24 - Afternoon - Light Showers
13°C 56°F
Light Showers
Early-Evening
Waterdown Weather - 2026-09-24 - Evening - Overcast
13°C 55°F
Overcast
Chilly near 13°C 56°F, intermittent showers through midday, easing by evening, with steady humidity and steady pressure. Winds switching from the E to the SE at 17 km/h 11 mph.

Friday, September 25, 2026

Mid-Morning
Waterdown Weather - 2026-09-25 - Morning - Scattered Showers
12°C 54°F
Scattered Showers
Mid-Afternoon
Waterdown Weather - 2026-09-25 - Afternoon - Sunny
15°C 59°F
Sunny
Early-Evening
Waterdown Weather - 2026-09-25 - Evening - Sunny
15°C 58°F
Sunny
Cool with a high near 15°C 59°F, scattered downpours possible, with lower humidity and steady pressure. Winds moving from the E to the NW at 20 km/h 12 mph. Gusts up to 33 km/h 21 mph.

Saturday, September 26, 2026

Mid-Morning
Waterdown Weather - 2026-09-26 - Morning - Sunny
14°C 57°F
Sunny
Mid-Afternoon
Waterdown Weather - 2026-09-26 - Afternoon - Sunny
17°C 63°F
Sunny
Early-Evening
Waterdown Weather - 2026-09-26 - Evening - Sunny
15°C 58°F
Sunny
Refreshing around 17°C 63°F, sunny throughout the day, with lower humidity and barometric pressure falling.

Sunday, September 27, 2026

Mid-Morning
Waterdown Weather - 2026-09-27 - Morning - Sunny
12°C 54°F
Sunny
Mid-Afternoon
Waterdown Weather - 2026-09-27 - Afternoon - Sunny
20°C 68°F
Sunny
Early-Evening
Waterdown Weather - 2026-09-27 - Evening - Sunny
17°C 63°F
Sunny
Mild with a high of 20°C 68°F, sunny in the morning, becoming partly cloudy through the afternoon and evening, with increasing humidity and barometric pressure falling. Winds swinging from the WSW to the SW at 17 km/h 11 mph.

Monday, September 28, 2026

Mid-Morning
Waterdown Weather - 2026-09-28 - Morning - Sunny
16°C 60°F
Sunny
Mid-Afternoon
Waterdown Weather - 2026-09-28 - Afternoon - Sunny
23°C 73°F
Sunny
Early-Evening
Waterdown Weather - 2026-09-28 - Evening - Sunny
20°C 68°F
Sunny
Pleasant near 23°C 73°F, sunny throughout the day, with lower humidity and steady pressure. Winds out of the SW at 20 km/h 12 mph.

Tuesday, September 29, 2026

Mid-Morning
Waterdown Weather - 2026-09-29 - Morning - Overcast
19°C 67°F
Overcast
Mid-Afternoon
Waterdown Weather - 2026-09-29 - Afternoon - Sunny
24°C 75°F
Sunny
Early-Evening
Waterdown Weather - 2026-09-29 - Evening - Sunny
23°C 73°F
Sunny
Comfortable with temperatures reaching 24°C 75°F, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds blowing from the SW at 14 km/h 9 mph.

Wednesday, September 30, 2026

Mid-Morning
Waterdown Weather - 2026-09-30 - Morning - Sunny
20°C 68°F
Sunny
Mid-Afternoon
Waterdown Weather - 2026-09-30 - Afternoon - Overcast
25°C 77°F
Overcast
Early-Evening
Waterdown Weather - 2026-09-30 - Evening - Overcast
23°C 72°F
Overcast
Enjoyable around 25°C 77°F, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds SSW at 17 km/h 11 mph.

Thursday, October 1, 2026

Mid-Morning
Waterdown Weather - 2026-10-01 - Morning - Overcast
19°C 66°F
Overcast
Mid-Afternoon
Waterdown Weather - 2026-10-01 - Afternoon - Scattered Showers
20°C 68°F
Scattered Showers
Early-Evening
Waterdown Weather - 2026-10-01 - Evening - Light Showers
16°C 61°F
Light Showers
Mild temperatures up to 20°C 68°F, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the WSW to the NW at 20 km/h 12 mph.

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Weather by the Numbers

Fri, 18th
Waterdown ON Weather - Friday, Sep 18, 2026 - Sunny
Hi: 22°C 71°F
Lo: 15°C 59°F
Sunrise 07:02 AM
Sunset 07:24 PM
Wind NNE 14 km/h9 mph
Dew Point 10°C51°F
uv Index 5
Barometric Pressure 102.3 kPa30.21 in
POP 2% *
Humidity 53%
Sat, 19th
Waterdown ON Weather - Saturday, Sep 19, 2026 - Partly Cloudy
Hi: 17°C 63°F
Lo: 14°C 58°F
Sunrise 07:03 AM
Sunset 07:22 PM
Wind ENE 22 km/h14 mph
Dew Point 8°C47°F
uv Index 5
Barometric Pressure 102.2 kPa30.18 in
POP 5% *
Humidity 57%
Sun, 20th
Waterdown ON Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 18°C 65°F
Lo: 15°C 59°F
Sunrise 07:04 AM
Sunset 07:20 PM
Wind NE 14 km/h9 mph
Dew Point 11°C51°F
uv Index 1
Barometric Pressure 101.6 kPa30 in
POP 20% *
Humidity 73%
Mon, 21st
Waterdown ON Weather - Monday, Sep 21, 2026 - Overcast
Hi: 15°C 59°F
Lo: 12°C 54°F
Sunrise 07:06 AM
Sunset 07:18 PM
Wind ENE 30 km/h19 mph
Dew Point 6°C43°F
uv Index 4
Barometric Pressure 102.5 kPa30.27 in
POP 16% *
Humidity 65%
Tue, 22nd
Waterdown ON Weather - Tuesday, Sep 22, 2026 - Patchy Rain Nearby
Hi: 15°C 60°F
Lo: 13°C 55°F
Sunrise 07:07 AM
Sunset 07:17 PM
Wind ENE 37 km/h23 mph
Dew Point 8°C46°F
uv Index 4
Barometric Pressure 102.6 kPa30.3 in
POP 20% *
Humidity 61%
Wed, 23rd
Waterdown ON Weather - Wednesday, Sep 23, 2026 - Light Rain Shower
Hi: 13°C 55°F
Lo: 11°C 53°F
Sunrise 07:08 AM
Sunset 07:15 PM
Wind E 27 km/h17 mph
Dew Point 9°C48°F
uv Index 3
Barometric Pressure 102.9 kPa30.39 in
POP 56% *
Humidity 81%
Thu, 24th
Waterdown ON Weather - Thursday, Sep 24, 2026 - Light Rain Shower
Hi: 13°C 56°F
Lo: 12°C 54°F
Sunrise 07:09 AM
Sunset 07:13 PM
Wind ENE 21 km/h13 mph
Dew Point 11°C52°F
uv Index 3
Barometric Pressure 102.4 kPa30.24 in
POP 75% *
Humidity 90%
Fri, 25th
Waterdown ON Weather - Friday, Sep 25, 2026 - Cloudy
Hi: 17°C 62°F
Lo: 11°C 52°F
Sunrise 07:10 AM
Sunset 07:11 PM
Wind NW 24 km/h15 mph
Dew Point 7°C44°F
uv Index 3
Barometric Pressure 101.9 kPa30.09 in
POP 13% *
Humidity 60%
Sat, 26th
Waterdown ON Weather - Saturday, Sep 26, 2026 - Sunny
Hi: 17°C 63°F
Lo: 10°C 50°F
Sunrise 07:11 AM
Sunset 07:09 PM
Wind ENE 8 km/h5 mph
Dew Point 9°C48°F
uv Index 5
Barometric Pressure 102.7 kPa30.33 in
POP 3% *
Humidity 60%
Sun, 27th
Waterdown ON Weather - Sunday, Sep 27, 2026 - Cloudy
Hi: 20°C 69°F
Lo: 10°C 50°F
Sunrise 07:12 AM
Sunset 07:07 PM
Wind WSW 10 km/h6 mph
Dew Point -1°C29°F
uv Index 4
Barometric Pressure 102 kPa30.12 in
POP 2% *
Humidity 28%
Mon, 28th
Waterdown ON Weather - Monday, Sep 28, 2026 - Sunny
Hi: 23°C 73°F
Lo: 14°C 57°F
Sunrise 07:13 AM
Sunset 07:06 PM
Wind SW 18 km/h11 mph
Dew Point 10°C50°F
uv Index 6
Barometric Pressure 101.5 kPa29.97 in
POP 2% *
Humidity 49%
Tue, 29th
Waterdown ON Weather - Tuesday, Sep 29, 2026 - Overcast
Hi: 25°C 78°F
Lo: 18°C 64°F
Sunrise 07:15 AM
Sunset 07:04 PM
Wind SW 18 km/h11 mph
Dew Point 15°C60°F
uv Index 5
Barometric Pressure 101.5 kPa29.97 in
POP 15% *
Humidity 64%
Wed, 30th
Waterdown ON Weather - Wednesday, Sep 30, 2026 - Overcast
Hi: 26°C 78°F
Lo: 18°C 65°F
Sunrise 07:16 AM
Sunset 07:02 PM
Wind SSW 14 km/h9 mph
Dew Point 13°C55°F
uv Index 5
Barometric Pressure 101.3 kPa29.91 in
POP 4% *
Humidity 50%
Thu, 1st
Waterdown ON Weather - Thursday, Oct 1, 2026 - Patchy Rain Nearby
Hi: 21°C 70°F
Lo: 12°C 54°F
Sunrise 07:17 AM
Sunset 07:00 PM
Wind W 8 km/h5 mph
Dew Point 15°C58°F
uv Index 5
Barometric Pressure 100.8 kPa29.77 in
POP 16% *
Humidity 66%
* POP = Probability of Precipitation. Data for 12:00 PM.