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Hourly Forecast
Daylight Hours
07:05
Sunrise
19:16
Sunset
Moon
Waxing Crescent
12:54
Moonrise
21:29
Moonset
Daily Forecast
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Air Quality Data Available
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UV Index
Humidity
Weather in Grain Valley today, September 16, 2026
Grain Valley could see fog on September 16, 2026, so early travel may need extra care. Visibility is the main watchpoint while the air stays still. Expect a grey start, with morning cloud around 100% by 04:00. Outdoor plans early on should not rely on bright skies.
The day peaks near 36°C and cools toward 19°C. The air stays humid, with relative humidity between 38% and 99% and the peak around 06:00. Airflow remains manageable, reaching about 4.7 km/h around 09:00.
Afternoon skies stay clogged, peaking close to 78% near 23:00. The grey theme continues rather than clearing out. Visibility holds near 13.1 km, though it can fall to 0.2 km. The sun rises at 07:05 and sets at 19:16, for a total of 12 hours 11 minutes of sunlight today.
Overall, Grain Valley on September 16, 2026 needs patience with visibility, especially early, even as temperatures reach about 36°C.
Frequently asked questions about weather in Grain Valley
How warm does it get in Grain Valley?
The warmest month in Grain Valley is July, with average high temperatures of 31°C. The average temperature during this period is around 26°C.
How cold does it get in Grain Valley?
The coldest month in Grain Valley is January, with average low temperatures of -4°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Grain Valley?
The wettest month in Grain Valley is May, with an average of 161mm of precipitation.
What is the driest time of year in Grain Valley?
The driest month in Grain Valley is December, with an average of 39mm of precipitation.
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