Location & Surroundings
Summit is a settlement in Illinois, United States, at 173 m elevation. The nearest larger town is Swansea, 2 km to the southeast. The national capital Washington is about 1125 km to the east. The nearest airport is Ben Emge Airport, 4 km away.
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
38° 33' 4" N, 90° 0' 17" W
- Elevation 173 m (DEM: 176 m)
- Timezone America/Chicago
- Time Shift GMT -6 (DST -5)
Statistics & Country
- Pop. Density 667 p/km²
- Built-up 13.5%
- Settlement Suburban / peri-urban
- Currency Dollar (USD)
- Phone Prefix +1
Sun & Local Time
- Local time 18:00
- Sunrise 07:24
- Sunset 18:02
- Day length 10 h 38 min
Other populated places nearby
Nearby
- Mission Care of Illinois Abbott Lifeforce Ambulance
- Old Saint Clair County Cemetery
- Badgley Cemetery
- Northwest Saint Clair County Fire Protection District Station 1
- Royal Heights
- Holy Shaghagat Church
- Saint Constantine and Saint Helen Church
- Wolf Branch-Saint Clair Township Park
- Township Park
- Swansea Fire Department Station 2
Weather in Summit
Current conditions and a 3-day (72-hour) weather forecast for Summit, updated from the NOAA GFS model.
Now 16.1 C with overcast skies and a 2.7 m/s easterly wind. Next 24h: 15.1 to 20.8 C, max wind 3.6 m/s. Precip around 1.6 mm. Solar peaks near 156 W/m2.
Temperature
16.1 C
Wind
2.7 m/s E (104 deg)
Humidity
39 %
Pressure
1,023.7 hPa
Clouds
100 %
Precip
1.64 mm
Solar
0.0 W/m2
UV-B
n/a
| Hour | Temp (C) | Wind (m/s) | Dir (deg) | RH (%) | Pressure (hPa) | Precip (step/total mm) | Clouds (%) | Solar (W/m2) | UV-B (W/m2) |
|---|---|---|---|---|---|---|---|---|---|
| NOW | 16.1 | 2.7 | 104 | 39 | 1,023.7 | - / 0.00 | 100 | 0.0 | n/a |
| 6h | 20.8 | 3.5 | 137 | 42 | 1,023.4 | 0.10 / 0.10 | 100 | 113.8 | n/a |
| 12h | 19.9 | 3.3 | 96 | 46 | 1,023.1 | 0.00 / 0.00 | 100 | 155.5 | n/a |
| 18h | 16.9 | 3.6 | 152 | 76 | 1,024.0 | 0.08 / 0.08 | 100 | 0.0 | n/a |
| Tomorrow | 15.1 | 3.2 | 115 | 94 | 1,023.7 | 1.56 / 1.64 | 100 | 0.0 | n/a |
| 30h | 14.5 | 4.9 | 142 | 88 | 1,023.9 | 0.00 / 0.98 | 100 | 23.0 | n/a |
| 36h | 13.4 | 4.4 | 121 | 90 | 1,022.9 | 0.00 / 0.00 | 100 | 27.7 | n/a |
| 42h | 13.1 | 3.5 | 133 | 93 | 1,021.7 | 0.05 / 0.05 | 100 | 0.0 | n/a |
| Monday | 13.9 | 4.4 | 137 | 95 | 1,019.5 | 0.01 / 0.06 | 100 | 0.0 | n/a |
| 54h | 17.7 | 7.0 | 163 | 86 | 1,017.0 | 0.00 / 0.05 | 100 | 94.4 | n/a |
| 60h | 19.8 | 7.3 | 173 | 78 | 1,015.0 | 0.01 / 0.06 | 100 | 93.0 | n/a |
| 66h | 17.3 | 7.1 | 163 | 86 | 1,013.5 | 0.00 / 0.00 | 6 | 0.0 | n/a |
| Tuesday | 19.1 | 9.0 | 176 | 75 | 1,012.0 | 0.01 / 0.01 | 100 | 0.0 | n/a |
Source: NOAA GFS 0.25° (run 2026-10-31 12:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Summit?
Now 16.1 C with overcast skies and a 2.7 m/s easterly wind. Next 24h: 15.1 to 20.8 C, max wind 3.6 m/s. Precip around 1.6 mm. Solar peaks near 156 W/m2.
Is precipitation expected in the next 24 hours?
Around 1.6 mm of precipitation is expected in the next 24 hours.
When are sunrise and sunset in Summit today?
Sunrise around 07:24 and sunset around 18:02 (local time). Day length about 10h 38m.
What is the local time in Summit?
Local time is 18:00. Time zone: America/Chicago (UTC-05:00).
What type of place is Summit?
Summit is a populated place.
What is the elevation of Summit?
Elevation about 173 m. DEM 176 m.
Where is Summit located?
It is at 38.55116, -90.00483 (latitude, longitude).
Which country is Summit in?
It is in United States.