Onslow, IA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Onslow now
Loading the National Weather Service forecast…
Onslow weather by the hour
Onslow weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Onslow.
This week in Onslow
Sunrise, sunset and moon in Onslow
What is the weather usually like in Onslow?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 83°F average high
- Januarycoldest month · 11°F average low
- 39.3 inprecipitation per year · 999 mm
- 31.1 insnowfall per year · 79 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Onslow: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station CASCADE, IA US (USC00131257), adjusted for the elevation of Onslow.
Onslow weather month by month
Sunrise and sunset in Onslow through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:28 AM | 4:59 PM | 9 h 30 min |
| February | 6:58 AM | 5:38 PM | 10 h 40 min |
| March | 7:13 AM | 7:11 PM | 11 h 58 min |
| April | 6:21 AM | 7:46 PM | 13 h 25 min |
| May | 5:41 AM | 8:19 PM | 14 h 38 min |
| June | 5:25 AM | 8:43 PM | 15 h 17 min |
| July | 5:40 AM | 8:40 PM | 14 h 59 min |
| August | 6:10 AM | 8:06 PM | 13 h 55 min |
| September | 6:43 AM | 7:15 PM | 12 h 32 min |
| October | 7:15 AM | 6:23 PM | 11 h 8 min |
| November | 6:53 AM | 4:44 PM | 9 h 51 min |
| December | 7:23 AM | 4:34 PM | 9 h 10 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Onslow?
Onslow has a hot-summer humid continental climate. The warmest month is July, with an average high of 83°F (28°C), and the coldest is January, with average lows of 11°F (-12°C).
It gets about 39.3 inches (999 mm) of precipitation a year. The wettest month is June and the driest is January. Snow is common: about 31 inches fall in an average year.
The best time to visit Onslow is June to September. At 919 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Onslow
Weather in towns near Onslow
Questions about the weather in Onslow
What is the hottest month in Onslow?
July, with an average high of 83°F (28°C).
What is the coldest month in Onslow?
January, with an average low of 11°F (-12°C).
How much does it rain in Onslow?
About 39.3 inches (999 mm) a year; the wettest month is June.
Does it snow in Onslow?
Yes, about 31 inches of snow fall in an average year.
When is the best time to visit Onslow?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Onslow have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Onslow in November?
Highs average 46°F and lows 28°F, with about 2.3 inches of precipitation.
What time is sunrise in Onslow?
Around 6:53 AM in mid-November, and sunset around 4:44 PM. Today’s exact times are shown above.
Where does this Onslow weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Onslow.
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