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Hourly Forecast
Daylight Hours
06:50
Sunrise
18:58
Sunset
Moon
Waxing Crescent
12:08
Moonrise
21:37
Moonset
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Weather in Gretna today, September 16, 2026
Expect a muted, overcast feel in Gretna on September 16, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The morning sky stays heavily clouded, with cover near 100% around 10:00. Grey conditions set the early tone before any later change.
The temperature range runs from about 26°C up to 31°C. Expect humidity between 65% and 95%, most humid near 07:00. Winds stay light, near 5.5 km/h by 12:00, so the day feels still more than breezy.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 13:00. Outdoor plans may still want a flexible backup. Expect visibility near 15.7 km, with poorer spells close to 13.4 km. Daylight runs from 06:50 to 18:58, lasting 12 hours 8 minutes of sunlight today.
Overall, Gretna on September 16, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 31°C.
Frequently asked questions about weather in Gretna
How warm does it get in Gretna?
The warmest month in Gretna is August, with average high temperatures of 31°C. The average temperature during this period is around 28°C.
How cold does it get in Gretna?
The coldest month in Gretna is January, with average low temperatures of 9°C. The average temperature during this period is around 12°C.
What is the wettest time of year in Gretna?
The wettest month in Gretna is August, with an average of 223mm of precipitation.
What is the driest time of year in Gretna?
The driest month in Gretna is November, with an average of 81mm of precipitation.
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