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Summer sizzle: NYC, Boston among cities eyeing record highs this week Chevron right
July heat wave to scorch over 200 million people across U.S. Chevron right

St. Clair, MO

91°F
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St. Clair, MO Weather
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July

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2025

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Daily
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29
82°
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30
82°
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86°
66°
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88°
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91°
68°
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91°
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91°
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90°
73°
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88°
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91°
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91°
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86°
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81°
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88°
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88°
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93°
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88°
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86°
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88°
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95°
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88°
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95°
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98°
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92°
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97°
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92°
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83°
67°
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85°
61°
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82°
63°

Temperature Graph

°F
100° 92° 84° 76° 68° Jul
Today 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

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World North America United States Missouri St. Clair

Weather Near St. Clair:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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