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Gretna, MB Weather - 14-Day Weather Forecast

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Gretna MB Weather - Clear
Clear
62°F
Updated 12:46 am
Feels Like 58°F
Humidity 63%
Wind ENE 6 mph
Barometer  30.06 in
Visibility 6 mi
Gretna MB Weather - Clear
Clear
17°C
Updated 12:46 am
Feels Like 15°C
Humidity 63%
Wind ENE 10 km/h
Barometer  101.8 kPa
Visibility 10 km
Gretna, MB Weather and Current Conditionsgretna mb weather forecast

Gretna, MB Weather Forecast

Gretna Manitoba WeatherGretna, Manitoba Weather Weather Forecast
14 day API forecast for Gretna, Manitoba. Note. The 7-day weather forecast for Gretna, Manitoba is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Gretna, MB Weather Forecast Dated: 1246 AM Fri Aug 14 2026 (Gretna Time)
Fri, 14th
Gretna MB Weather  - Friday, Aug 14, 2026 - Partly Cloudy
Lo: 14°C58°F
Hi: 28°C83°F
Partly Cloudy Friday, temperatures as high as 28°C83°F, low temperature around 14°C58°F, chance of rain 36%, wind out of the ENE 24 km/h15 mph. Barometric pressure 101.7 kPa30.03 in, visibility 9 km6 mi, humidity 51%.
Sat, 15th
Gretna MB Weather  - Saturday, Aug 15, 2026 - Cloudy
Lo: 16°C61°F
Hi: 24°C74°F
Cloudy Saturday, temperatures as high as 24°C74°F, low temperature around 16°C61°F, chance of rain 57%, wind out of the NW 32 km/h20 mph. Barometric pressure 101.5 kPa29.97 in, visibility 10 km6 mi, humidity 65%.
Sun, 16th
Gretna MB Weather  - Sunday, Aug 16, 2026 - Sunny
Lo: 13°C56°F
Hi: 29°C85°F
Sunny Sunday, temperatures as high as 29°C85°F, low temperature around 13°C56°F, chance of rain 3%, wind out of the WNW 19 km/h12 mph. Barometric pressure 101.9 kPa30.09 in, visibility 10 km6 mi, humidity 54%.
Mon, 17th
Gretna MB Weather  - Monday, Aug 17, 2026 - Sunny
Lo: 17°C63°F
Hi: 32°C90°F
Sunny Monday, temperatures as high as 32°C90°F, low temperature around 17°C63°F, chance of rain 57%, wind out of the WSW 28 km/h17 mph. Barometric pressure 101.1 kPa29.85 in, visibility 10 km6 mi, humidity 49%.
Tue, 18th
Gretna MB Weather  - Tuesday, Aug 18, 2026 - Sunny
Lo: 12°C53°F
Hi: 26°C79°F
Sunny Tuesday, temperatures as high as 26°C79°F, low temperature around 12°C53°F, chance of rain 2%, wind out of the NNW 22 km/h13 mph. Barometric pressure 101.4 kPa29.94 in, visibility 10 km6 mi, humidity 49%.
Wed, 19th
Gretna MB Weather  - Wednesday, Aug 19, 2026 - Sunny
Lo: 15°C59°F
Hi: 33°C92°F
Sunny Wednesday, temperatures as high as 33°C92°F, low temperature around 15°C59°F, chance of rain 1%, wind out of the SSW 24 km/h15 mph. Barometric pressure 100.7 kPa29.74 in, visibility 10 km6 mi, humidity 34%.
Thu, 20th
Gretna MB Weather  - Thursday, Aug 20, 2026 - Sunny
Lo: 20°C68°F
Hi: 34°C93°F
Sunny Thursday, temperatures as high as 34°C93°F, low temperature around 20°C68°F, chance of rain 1%, wind out of the NNW 27 km/h17 mph. Barometric pressure 100.3 kPa29.62 in, visibility 10 km6 mi, humidity 39%.
Fri, 21st
Gretna MB Weather  - Friday, Aug 21, 2026 - Sunny
Lo: 17°C63°F
Hi: 30°C86°F
Sunny Friday, temperatures as high as 30°C86°F, low temperature around 17°C63°F, chance of rain 3%, wind out of the NNW 18 km/h11 mph. Barometric pressure 101.1 kPa29.85 in, visibility 10 km6 mi, humidity 50%.
Sat, 22nd
Gretna MB Weather  - Saturday, Aug 22, 2026 - Sunny
Lo: 18°C64°F
Hi: 30°C87°F
Sunny Saturday, temperatures as high as 30°C87°F, low temperature around 18°C64°F, chance of rain 2%, wind out of the NNW 20 km/h13 mph. Barometric pressure 101.7 kPa30.03 in, visibility 10 km6 mi, humidity 42%.
Sun, 23rd
Gretna MB Weather  - Sunday, Aug 23, 2026 - Sunny
Lo: 19°C67°F
Hi: 42°C107°F
Sunny Sunday, temperatures as high as 42°C107°F, low temperature around 19°C67°F, chance of rain 1%, wind out of the S 30 km/h19 mph. Barometric pressure 100.8 kPa29.77 in, visibility 10 km6 mi, humidity 30%.
Mon, 24th
Gretna MB Weather  - Monday, Aug 24, 2026 - Sunny
Lo: 17°C63°F
Hi: 28°C83°F
Sunny Monday, temperatures as high as 28°C83°F, low temperature around 17°C63°F, chance of rain 2%, wind out of the NNW 26 km/h16 mph. Barometric pressure 101.2 kPa29.88 in, visibility 10 km6 mi, humidity 49%.
Tue, 25th
Gretna MB Weather  - Tuesday, Aug 25, 2026 - Sunny
Lo: 15°C60°F
Hi: 31°C88°F
Sunny Tuesday, temperatures as high as 31°C88°F, low temperature around 15°C60°F, chance of rain 1%, wind out of the E 25 km/h16 mph. Barometric pressure 101.6 kPa30 in, visibility 10 km6 mi, humidity 44%.
Wed, 26th
Gretna MB Weather  - Wednesday, Aug 26, 2026 - Sunny
Lo: 15°C58°F
Hi: 27°C81°F
Sunny Wednesday, temperatures as high as 27°C81°F, low temperature around 15°C58°F, chance of rain 2%, wind out of the NE 22 km/h13 mph. Barometric pressure 102 kPa30.12 in, visibility 10 km6 mi, humidity 49%.
Thu, 27th
Gretna MB Weather  - Thursday, Aug 27, 2026 - Sunny
Lo: 14°C57°F
Hi: 28°C83°F
Sunny Thursday, temperatures as high as 28°C83°F, low temperature around 14°C57°F, chance of rain 17%, wind out of the SSE 28 km/h17 mph. Barometric pressure 101.6 kPa30 in, visibility 10 km6 mi, humidity 52%.

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