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Weather in Troy

Illinois · 10 036 inhabitants · Monday, September 14 · updated 11h44

Air : Bon Heatwave risk · 8 j Moderate storm risk · Wed, Thu, Sun
Mainly clear
28°
Mainly clear
Feels like 31°C
Wind
14 km/h
Gusts
22 km/h
Humidity
39 %
Pressure
1021 hPa
Clouds
23 %
Storm
No
Rise 06h39 Set 19h10 Day 12h31 UV 6 · Moderate

Detailed forecast

Trend
Morning
Clear sky
Clear sky
22°17°
Feels like 23°
Wind ↑ E 19 km/h
Gusts 36 km/h
Humidity 44 %
Afternoon
Mainly clear
Mainly clear
32°28°
Feels like 34°
Wind ↑ SE 19 km/h
Humidity 30 %
Evening
Clear sky
Clear sky
29°25°
Feels like 33°
Wind ↑ SE 22 km/h
Gusts 52 km/h
Humidity 42 %
13h
Mainly clear
28°
ESE 14
16h
Clear sky
32°
SE 19

Weather charts for Troy · 7 days

Temperatures over 7 days

▲ +9.4° above seasonal normals this week
Highs Lows Seasonal normal (1991-2020 average)
13°20°27°33°40°Auj.MarMerJeuVenSamDim37°23°Lun 14 sept. : max 32° · min 15° · normale 20°Mar 15 sept. : max 37° · min 22° · normale 19,9°Mer 16 sept. : max 34° · min 22° · normale 19,6°Jeu 17 sept. : max 37° · min 25° · normale 19,4°Ven 18 sept. : max 38° · min 24° · normale 19,2°Sam 19 sept. : max 38° · min 23° · normale 19°Dim 20 sept. : max 37° · min 23° · normale 18,8°

Hourly detail

LunMarMerJeuVenSamDimLun20°30°39°38°22°06
Temperature (°C) Precipitation (mm) Wind (km/h)

Air quality & pollen in Troy

1/6
Bon
European Air Quality Index (EAQI) · CAMS source
PM2.50µg/m³
PM100µg/m³

CAMS data (Copernicus) · air quality and pollen refreshed several times a day.

Rain in Troy: live radar and next-hour forecast

Will it rain in Troy? Track precipitation live on the radar and anticipate showers in the next hour — the +1 h extrapolation is based on the real movement of rain cells.

Full-screen radar · rain within the hour
Rain radar Observed, then extrapolation up to +1h (real cell movement) · drag the timeline

Moon calendar for Troy

Waxing crescent
9 % illuminated · 2,8 days
Rise 08h24 Set 18h48
Tue 15/9 16%
Wed 16/9 24%
Thu 17/9 34%
Fri 18/9 44%
Sat 19/9 55% First quarter
Sun 20/9 65%
Mon 21/9 75%
Tue 22/9 83%
Wed 23/9 90%
Thu 24/9 96%
Fri 25/9 99%
Sat 26/9 100% Full moon

Rise and set in local time (America/Chicago) · phases and illumination computed by SkiesAtlas (synodic model).

Weather history for Troy

What was the weather in Troy on a past date? Pick a day — ERA5 reanalysis data (ECMWF / Copernicus C3S), available up to one week ago.

The weather in Troy

Find the full weather for Troy, Illinois: current conditions, forecast by time of day (morning, afternoon, evening) and a 7-day trend. Right now the sky is “mainly clear” with 28 °C (feels like 31 °C) and wind at 14 km/h.

Today, temperatures range from 15 °C to 32 °C, with no significant precipitation, with a storm risk to watch, under strong heat. Forecast computed by our multi-model engine SkiesAtlas (ECMWF-AIFS, NOAA GFS, DWD ICON): cloud cover calibrated on METAR observations, convective energy (CAPE) for storms.

Nearby cities

St. Louis 30 km 35° Saint Charles 52 km 35° Florissant 39 km 35° Belleville 25 km 21° Oakville 47 km 33° University City 38 km 27° Ballwin 59 km 33° Upper Alton 31 km 20° Granite City 23 km 35° O'Fallon 15 km 21° Mehlville 45 km 23° Kirkwood 48 km 23°

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