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Guelph ON Weather - Cloudy
Cloudy
68°F
Updated 1:43 pm
Feels Like 68°F
Humidity 65%
Wind W 4 mph
Barometer  30.18 in
Visibility 6 mi
Guelph ON Weather - Cloudy
Cloudy
20°C
Updated 1:43 pm
Feels Like 20°C
Humidity 65%
Wind W 7 km/h
Barometer  102.2 kPa
Visibility 10 km
Guelph, ON Weather and Current Conditionsguelph on weather forecast

Guelph, ON Weather Forecast

Guelph Ontario WeatherGuelph, Ontario Weather Weather Forecast
Here is the API 14 day weather forecast for Guelph, ON. Note: The 7-day weather forecast for Guelph, Ontario is the most reliable and accurate weather forecast. This template should only be used as a probable scenario. Forecasting weather beyond the next 7 days is a challenge.
Guelph, ON Weather Forecast Dated: 143 PM Thu Sep 17 2026
Expect a cool pattern with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.

Thursday, September 17, 2026

Mid-Morning
Guelph Weather - 2026-09-17 - Morning - Partly Cloudy
16°C 61°F
Partly Cloudy
Mid-Afternoon
Guelph Weather - 2026-09-17 - Afternoon - Overcast
21°C 69°F
Overcast
Early-Evening
Guelph Weather - 2026-09-17 - Evening - Cloudy
19°C 66°F
Cloudy
Pleasant near 21°C 69°F, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the N to the NNW at 9 km/h 6 mph.

Friday, September 18, 2026

Mid-Morning
Guelph Weather - 2026-09-18 - Morning - Overcast
14°C 56°F
Overcast
Mid-Afternoon
Guelph Weather - 2026-09-18 - Afternoon - Overcast
19°C 66°F
Overcast
Early-Evening
Guelph Weather - 2026-09-18 - Evening - Overcast
14°C 57°F
Overcast
Mildly cool near 19°C 66°F, overcast throughout the day, with lower humidity and steady pressure. Winds switching from the N to the NNE at 16 km/h 10 mph.

Saturday, September 19, 2026

Mid-Morning
Guelph Weather - 2026-09-19 - Morning - Drizzle
10°C 50°F
Drizzle
Mid-Afternoon
Guelph Weather - 2026-09-19 - Afternoon - Light Rain
8°C 47°F
Light Rain
Early-Evening
Guelph Weather - 2026-09-19 - Evening - Scattered Showers
9°C 48°F
Scattered Showers
Chilly near 8°C 47°F, locally heavy downpours at times, with increasing humidity and barometric pressure falling. Winds moving from the ESE to the E at 18 km/h 11 mph. Gusts up to 32 km/h 20 mph.

Sunday, September 20, 2026

Mid-Morning
Guelph Weather - 2026-09-20 - Morning - Light Showers
11°C 52°F
Light Showers
Mid-Afternoon
Guelph Weather - 2026-09-20 - Afternoon - Overcast
12°C 53°F
Overcast
Early-Evening
Guelph Weather - 2026-09-20 - Evening - Overcast
13°C 56°F
Overcast
Crisp with a high near 12°C 53°F, early showers breaking for a drier afternoon, with lower humidity and steady pressure. Winds swinging from the NE to the N at 15 km/h 10 mph. Gusts up to 38 km/h 24 mph.

Monday, September 21, 2026

Mid-Morning
Guelph Weather - 2026-09-21 - Morning - Cloudy
7°C 44°F
Cloudy
Mid-Afternoon
Guelph Weather - 2026-09-21 - Afternoon - Scattered Showers
12°C 54°F
Scattered Showers
Early-Evening
Guelph Weather - 2026-09-21 - Evening - Light Showers
12°C 53°F
Light Showers
Brisk around 12°C 54°F, scattered downpours possible, with steady humidity and barometric pressure falling. Winds shifting from the ENE to the E at 31 km/h 19 mph. Gusts up to 53 km/h 33 mph.

Tuesday, September 22, 2026

Mid-Morning
Guelph Weather - 2026-09-22 - Morning - Heavy Rain Showers
11°C 52°F
Heavy Rain Showers
Mid-Afternoon
Guelph Weather - 2026-09-22 - Afternoon - Light Showers
17°C 62°F
Light Showers
Early-Evening
Guelph Weather - 2026-09-22 - Evening - Light Showers
18°C 65°F
Light Showers
Mildly cool near 17°C 62°F, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds turning from the ENE to the S at 12 km/h 8 mph.

Wednesday, September 23, 2026

Mid-Morning
Guelph Weather - 2026-09-23 - Morning - Scattered Showers
14°C 57°F
Scattered Showers
Mid-Afternoon
Guelph Weather - 2026-09-23 - Afternoon - Overcast
18°C 64°F
Overcast
Early-Evening
Guelph Weather - 2026-09-23 - Evening - Sunny
17°C 62°F
Sunny
Comfortable at 18°C 64°F, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds switching from the WSW to the S at 14 km/h 9 mph.

Thursday, September 24, 2026

Mid-Morning
Guelph Weather - 2026-09-24 - Morning - Scattered Showers
13°C 55°F
Scattered Showers
Mid-Afternoon
Guelph Weather - 2026-09-24 - Afternoon - Overcast
15°C 59°F
Overcast
Early-Evening
Guelph Weather - 2026-09-24 - Evening - Overcast
12°C 53°F
Overcast
Cool with a high near 15°C 59°F, scattered downpours possible, with lower humidity and steady pressure. Winds moving from the WSW to the W at 25 km/h 16 mph. Gusts up to 47 km/h 29 mph.

Friday, September 25, 2026

Mid-Morning
Guelph Weather - 2026-09-25 - Morning - Scattered Showers
8°C 46°F
Scattered Showers
Mid-Afternoon
Guelph Weather - 2026-09-25 - Afternoon - Scattered Showers
13°C 55°F
Scattered Showers
Early-Evening
Guelph Weather - 2026-09-25 - Evening - Sunny
10°C 50°F
Sunny
Brisk around 13°C 55°F, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds swinging from the NW to the WNW at 16 km/h 11 mph.

Saturday, September 26, 2026

Mid-Morning
Guelph Weather - 2026-09-26 - Morning - Sunny
8°C 47°F
Sunny
Mid-Afternoon
Guelph Weather - 2026-09-26 - Afternoon - Sunny
14°C 58°F
Sunny
Early-Evening
Guelph Weather - 2026-09-26 - Evening - Sunny
12°C 53°F
Sunny
Mildly cool near 14°C 58°F, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the NW to the W at 15 km/h 10 mph.

Sunday, September 27, 2026

Mid-Morning
Guelph Weather - 2026-09-27 - Morning - Sunny
12°C 54°F
Sunny
Mid-Afternoon
Guelph Weather - 2026-09-27 - Afternoon - Partly Cloudy
19°C 66°F
Partly Cloudy
Early-Evening
Guelph Weather - 2026-09-27 - Evening - Sunny
16°C 61°F
Sunny
Comfortable at 19°C 66°F, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the W to the SW at 14 km/h 9 mph.

Monday, September 28, 2026

Mid-Morning
Guelph Weather - 2026-09-28 - Morning - Overcast
15°C 58°F
Overcast
Mid-Afternoon
Guelph Weather - 2026-09-28 - Afternoon - Overcast
19°C 67°F
Overcast
Early-Evening
Guelph Weather - 2026-09-28 - Evening - Cloudy
17°C 61°F
Cloudy
Cool with a high near 19°C 67°F, overcast throughout the day, with lower humidity and barometric pressure falling. Winds switching from the WSW to the SW at 16 km/h 10 mph. Gusts up to 34 km/h 21 mph.

Tuesday, September 29, 2026

Mid-Morning
Guelph Weather - 2026-09-29 - Morning - Cloudy
16°C 60°F
Cloudy
Mid-Afternoon
Guelph Weather - 2026-09-29 - Afternoon - Sunny
22°C 72°F
Sunny
Early-Evening
Guelph Weather - 2026-09-29 - Evening - Overcast
20°C 68°F
Overcast
Enjoyable around 22°C 72°F, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds moving from the WSW to the WNW at 11 km/h 7 mph.

Wednesday, September 30, 2026

Mid-Morning
Guelph Weather - 2026-09-30 - Morning - Sunny
12°C 53°F
Sunny
Mid-Afternoon
Guelph Weather - 2026-09-30 - Afternoon - Sunny
16°C 60°F
Sunny
Early-Evening
Guelph Weather - 2026-09-30 - Evening - Sunny
11°C 53°F
Sunny
Mildly cool near 16°C 60°F, cloudy through the afternoon, turning sunny this evening, with lower humidity and steady pressure. Winds swinging from the NNW to the N at 15 km/h 9 mph.

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Weather by the Numbers

Thu, 17th
Guelph ON Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 21°C 71°F
Lo: 16°C 60°F
Sunrise 07:03 AM
Sunset 07:28 PM
Wind WNW 7 km/h4 mph
Dew Point 13°C55°F
uv Index 1
Barometric Pressure 102.3 kPa30.21 in
POP 15% *
Humidity 62%
Fri, 18th
Guelph ON Weather - Friday, Sep 18, 2026 - Cloudy
Hi: 19°C 66°F
Lo: 11°C 52°F
Sunrise 07:04 AM
Sunset 07:26 PM
Wind NNE 14 km/h9 mph
Dew Point 8°C46°F
uv Index 5
Barometric Pressure 102.4 kPa30.24 in
POP 7% *
Humidity 52%
Sat, 19th
Guelph ON Weather - Saturday, Sep 19, 2026 - Light Rain
Hi: 13°C 55°F
Lo: 8°C 47°F
Sunrise 07:05 AM
Sunset 07:24 PM
Wind E 18 km/h11 mph
Dew Point 8°C46°F
uv Index 3
Barometric Pressure 102.2 kPa30.18 in
POP 75% *
Humidity 91%
Sun, 20th
Guelph ON Weather - Sunday, Sep 20, 2026 - Patchy Rain Nearby
Hi: 14°C 57°F
Lo: 10°C 51°F
Sunrise 07:06 AM
Sunset 07:22 PM
Wind NE 18 km/h11 mph
Dew Point 10°C50°F
uv Index 1
Barometric Pressure 101.5 kPa29.97 in
POP 34% *
Humidity 97%
Mon, 21st
Guelph ON Weather - Monday, Sep 21, 2026 - Overcast
Hi: 13°C 55°F
Lo: 6°C 43°F
Sunrise 07:07 AM
Sunset 07:20 PM
Wind ENE 18 km/h11 mph
Dew Point 4°C39°F
uv Index 3
Barometric Pressure 102.5 kPa30.27 in
POP 14% *
Humidity 58%
Tue, 22nd
Guelph ON Weather - Tuesday, Sep 22, 2026 - Light Rain Shower
Hi: 18°C 65°F
Lo: 9°C 48°F
Sunrise 07:08 AM
Sunset 07:18 PM
Wind E 18 km/h11 mph
Dew Point 14°C57°F
uv Index 3
Barometric Pressure 101.6 kPa30 in
POP 88% *
Humidity 99%
Wed, 23rd
Guelph ON Weather - Wednesday, Sep 23, 2026 - Patchy Rain Nearby
Hi: 18°C 65°F
Lo: 14°C 56°F
Sunrise 07:10 AM
Sunset 07:17 PM
Wind WSW 18 km/h11 mph
Dew Point 12°C54°F
uv Index 4
Barometric Pressure 101.6 kPa30 in
POP 16% *
Humidity 79%
Thu, 24th
Guelph ON Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 18°C 64°F
Lo: 10°C 50°F
Sunrise 07:11 AM
Sunset 07:15 PM
Wind WSW 32 km/h20 mph
Dew Point 7°C44°F
uv Index 4
Barometric Pressure 100.5 kPa29.68 in
POP 8% *
Humidity 61%
Fri, 25th
Guelph ON Weather - Friday, Sep 25, 2026 - Patchy Rain Nearby
Hi: 13°C 55°F
Lo: 7°C 45°F
Sunrise 07:12 AM
Sunset 07:13 PM
Wind NW 28 km/h17 mph
Dew Point 3°C38°F
uv Index 3
Barometric Pressure 101 kPa29.83 in
POP 10% *
Humidity 62%
Sat, 26th
Guelph ON Weather - Saturday, Sep 26, 2026 - Sunny
Hi: 14°C 58°F
Lo: 6°C 44°F
Sunrise 07:13 AM
Sunset 07:11 PM
Wind NW 21 km/h13 mph
Dew Point 3°C37°F
uv Index 4
Barometric Pressure 102.1 kPa30.15 in
POP 2% *
Humidity 51%
Sun, 27th
Guelph ON Weather - Sunday, Sep 27, 2026 - Sunny
Hi: 19°C 66°F
Lo: 10°C 49°F
Sunrise 07:14 AM
Sunset 07:09 PM
Wind WSW 18 km/h11 mph
Dew Point 6°C43°F
uv Index 5
Barometric Pressure 102.3 kPa30.21 in
POP 2% *
Humidity 50%
Mon, 28th
Guelph ON Weather - Monday, Sep 28, 2026 - Overcast
Hi: 20°C 67°F
Lo: 12°C 54°F
Sunrise 07:15 AM
Sunset 07:07 PM
Wind SW 20 km/h12 mph
Dew Point 8°C47°F
uv Index 4
Barometric Pressure 101.8 kPa30.06 in
POP 12% *
Humidity 53%
Tue, 29th
Guelph ON Weather - Tuesday, Sep 29, 2026 - Sunny
Hi: 22°C 72°F
Lo: 14°C 56°F
Sunrise 07:16 AM
Sunset 07:06 PM
Wind WSW 15 km/h9 mph
Dew Point 9°C48°F
uv Index 5
Barometric Pressure 101.6 kPa30 in
POP 5% *
Humidity 51%
Wed, 30th
Guelph ON Weather - Wednesday, Sep 30, 2026 - Overcast
Hi: 17°C 62°F
Lo: 8°C 46°F
Sunrise 07:18 AM
Sunset 07:04 PM
Wind WSW 19 km/h12 mph
Dew Point 5°C40°F
uv Index 3
Barometric Pressure 102.1 kPa30.15 in
POP 4% *
Humidity 52%
* POP = Probability of Precipitation. Data for 12:00 PM.