Weather Union, Illinois long-term weather forecast
Long-term weather forecast for Union, Illinois for ten days.
Monday, Jun 22
22 / 17°C
| 1.3 mm | 24 km/h |
| 22 °C | 25 °C | 1 am | |
| 17 °C | 18 °C | 7 am | |
| 21 °C | 21 °C | 1 pm | |
| 22 °C | 23 °C | 7 pm |
sunrise 5:27 am
sunset 8:31 pm
HOURLY
sunset 8:31 pm
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Weather forecast Union, Illinois, Illinois, USA extended forecast
| Time | State Temp. Feels like | Precip. | Wind | Pressure | Humidity | Dew | total |
Fog | Low |
Middle |
High |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Monday 06/22/2026 |
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| 1 AM
2 AM
| rain | 22 °C 26 °C |
1.0 mm | 4.7 m/s17 km/h west-southwest |
1001 hPa | 97 % | 21 °C | 100 % | 0% | 100% | 11% | 89% | |
| 7 AM
8 AM
| overcast | 17 °C 18 °C |
0.3 mm | 5.4 m/s19 km/h north |
1005 hPa | 92 % | 15 °C | 100 % | 0% | 100% | 0% | 0% | |
| 1 PM
2 PM
| overcast | 21 °C 21 °C |
0.0 mm | 6.6 m/s24 km/h north |
1012 hPa | 70 % | 15 °C | 100 % | 0% | 100% | 0% | 0% | |
| 7 PM
8 PM
| clear | 22 °C 23 °C |
0.0 mm | 3.4 m/s12 km/h north |
1016 hPa | 69 % | 15 °C | 10 % | 0% | 10% | 0% | 0% | |
Tuesday 06/23/2026 |
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| 1 AM
2 AM
| clear | 16 °C 17 °C |
0.0 mm | 0.5 m/s2 km/h northeast |
1020 hPa | 92 % | 14 °C | 10 % | 0% | 10% | 0% | 0% | |
| 7 AM
8 AM
| clear | 16 °C 17 °C |
0.0 mm | 1.5 m/s5 km/h south-southwest |
1022 hPa | 94 % | 14 °C | 7 % | 0% | 7% | 0% | 0% | |
| 1 PM
2 PM
| clear | 23 °C 24 °C |
0.0 mm | 2.5 m/s9 km/h north-northwest |
1022 hPa | 58 % | 14 °C | 4 % | 0% | 3% | 0% | 1% | |
| 7 PM
8 PM
| clear | 23 °C 24 °C |
0.0 mm | 0.6 m/s2 km/h east-northeast |
1020 hPa | 58 % | 14 °C | 2 % | 0% | 0% | 0% | 2% | |
Union, Illinois, Illinois, USA - information
State: Illinois, USAGPS coordinates: 40.2875; -89.3670
Time zone: America / Chicago
time difference in hours with time in US is -7 hours
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Weather Union, Illinois, Illinois, USA. Weather forecast Union, Illinois.
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Data source
Weather forecast for Union, Illinois is supplied by MET Norway Norwegian Meteorological Institute and the NRK.Feels like
To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.Weather with Meteobox for your website
Astronomical information Union, Illinois
data are always in the local timeSun and light
June 22, 2026
| Sunrise: | Sunset: |
| 5:27 am | 8:31 pm |
| Noon: | Length of day: |
| 12:59 pm | 15:03 |
| Start of civil twilight*: | End of civil twilight*: |
| 4:54 am | 9:05 pm |
| Start of nautical twilight*: | End of nautical twilight*: |
| 4:12 am | 9:46 pm |
| Start of astronomical twilight*: | End of astronomical twilight*: |
| 3:23 am | 10:35 pm |
| * What is Twilight? | |
Moon and moon phases
| Moonrise: | Moonset: |
| 06/21/2026 12:53 pm | 06/22/2026 12:53 am |
| Next new moon: | Next full moon: |
| 07/14/2026 | 06/29/2026 |
