Standard City, IL Weather Tomorrow

Your Standard City weather tomorrow forecast is paired with a detailed 5 day outlook featuring precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction across the Standard City area and around Macoupin county, Illinois.
Updated: Mon Aug 31st 2026 3:15 AM CDT
Standard City, IL Weather – 8-31 – Sunny
94° / 69°
Sunny
A sunny day is in the forecast for Standard City, with a high of 94°F and a low of 69°F. There's a very small chance of rainfall, only about 4%. Wind will be moderate, blowing around 15mph on average and gusts of 34.6mph at 11 PM. Humidity levels should be comfortable, sitting around 51% on average, the maximum being 66% at 7 AM and 35% being its lowest at 4 PM. Barometric pressure is its highest of 30inHg at 8 AM, a lowest point of 29.88inHg at 7 PM with an avg 29.94inHg.
Standard City, IL Weather – 9-1 – Sunny
99° / 75°

Weather Tomorrow

Sunny
Daytime highs will reach 99°F with lows dropping to 75°F in Standard City, where bright and sunny conditions. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 15mph on average and gusts of 33.8mph at 12 AM. Humidity levels should be comfortable, sitting around 46% on average, the maximum being 64% at 7 AM and 29% being its lowest at 4 PM. Barometric pressure is its highest of 29.98inHg at 8 AM, a lowest point of 29.87inHg at 7 PM with an avg 29.92inHg.
Standard City, IL Weather – 9-2 – Sunny
99° / 78°
Sunny
It will be sunny in Standard City, with a high of 99°F and a low of 78°F. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 15mph on average and gusts of 35mph at 1 AM. Humidity levels should be comfortable, sitting around 47% on average, the maximum being 64% at 7 AM and 29% being its lowest at 4 PM. Barometric pressure is its highest of 29.97inHg at 10 AM, a lowest point of 29.84inHg at 7 PM with an avg 29.91inHg.
Standard City, IL Weather – 9-3 – Sunny
99° / 79°
Sunny
In Standard City, bright and sunny conditions with highs near 99°F and lows around 79°F. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 12mph on average and gusts of 25.1mph at 11 PM. Humidity levels should be comfortable, sitting around 47% on average, the maximum being 60% at 7 AM and 30% being its lowest at 3 PM. Barometric pressure is its highest of 29.95inHg at 10 AM, a lowest point of 29.85inHg at 7 PM with an avg 29.9inHg.
Standard City, IL Weather – 9-4 – Sunny
101° / 79°
Sunny
Standard City may see a sunny day, with daytime highs of 101°F and overnight lows near 79°F. There's a very small chance of rainfall, only about 3% with an estimated 0in. Wind will be moderate, blowing around 12mph on average and gusts of 24.6mph at 10 PM. Humidity levels should be comfortable, sitting around 47% on average, the maximum being 69% at 11 PM and 26% being its lowest at 4 PM. Barometric pressure is its highest of 29.95inHg at 11 AM, a lowest point of 29.81inHg at 7 PM with an avg 29.87inHg.
Standard City, IL Weather – 9-5 – Overcast
93° / 75°
Overcast
In Standard City, cloud-filled skies are likely with a high near 93°F and a low around 75°F. There might be light rainfall having a 14% chance with an estimated 0in. Wind will be moderate, blowing around 16mph on average and gusts of 24.7mph at 10 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 88% at 11 PM and 43% being its lowest at 4 PM. Barometric pressure is its highest of 29.94inHg at 11 PM, a lowest point of 29.85inHg at 12 AM with an avg 29.89inHg.

Currently

Clear 71°F
29.95 inHg.
Barometer
63%
Humidity
S 16.2 mph
Wind
Clear

5 Day Forecast Nearby

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