Chesterfield, MO 14 Day Weather - 63005 WeatherWorld.com

Feedback E-mail the Weather

Quick Weather Clicks

Chesterfield, MO Weather - 14-Day Weather Forecast

Current Conditions

Settings
Chesterfield MO Weather - Clear - 83°F
Clear
83°F
Updated 9:18 am
Feels Like 84°F
Humidity 67%
Wind SSW 9 mph
Barometer  30.05 in
Dew Point 71°F
Chesterfield MO Weather - Clear - 28°C
Clear
28°C
Updated 9:18 am
Feels Like 29°C
Humidity 67%
Wind SSW 14 km/h
Barometer  101.8 kPa
Dew Point 22°C
Chesterfield, MO Weather and Current Conditionschesterfield mo weather forecast

Chesterfield, MO Weather Forecast

Chesterfield Missouri WeatherChesterfield, Missouri Weather Weather Forecast
14 Day API Chesterfield, MO Weather Forecast. Note: Our 7 day Chesterfield, Missouri weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Chesterfield, MO Weather Forecast Dated: 918 AM Tue Sep 15 2026
Expect a hot stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.

Tuesday, September 15, 2026

Mid-Morning
Chesterfield Weather - 2026-09-15 - Morning - Sunny
82°F 28°C
Sunny
Mid-Afternoon
Chesterfield Weather - 2026-09-15 - Afternoon - Overcast
96°F 36°C
Overcast
Early-Evening
Chesterfield Weather - 2026-09-15 - Evening - Partly Cloudy
84°F 29°C
Partly Cloudy
Very hot with temperatures reaching 96°F 36°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds turning from the SSW to the E at 6 mph 9 km/h.

Wednesday, September 16, 2026

Mid-Morning
Chesterfield Weather - 2026-09-16 - Morning - Scattered Showers
74°F 23°C
Scattered Showers
Mid-Afternoon
Chesterfield Weather - 2026-09-16 - Afternoon - Sunny
94°F 35°C
Sunny
Early-Evening
Chesterfield Weather - 2026-09-16 - Evening - Scattered Showers
86°F 31°C
Scattered Showers
Hot and sweltering around 94°F 35°C (heat index 100°F 38°C), scattered downpours possible, with lower humidity and steady pressure.

Thursday, September 17, 2026

Mid-Morning
Chesterfield Weather - 2026-09-17 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Chesterfield Weather - 2026-09-17 - Afternoon - Sunny
99°F 37°C
Sunny
Early-Evening
Chesterfield Weather - 2026-09-17 - Evening - Cloudy
87°F 30°C
Cloudy
Very hot with a high of 99°F 37°C, feeling closer to 102°F 39°C in the humidity, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Chesterfield Weather - 2026-09-18 - Morning - Partly Cloudy
77°F 25°C
Partly Cloudy
Mid-Afternoon
Chesterfield Weather - 2026-09-18 - Afternoon - Sunny
98°F 37°C
Sunny
Early-Evening
Chesterfield Weather - 2026-09-18 - Evening - Scattered Showers
88°F 31°C
Scattered Showers
Sizzling hot near 98°F 37°C with a heat index reaching 101°F 38°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling.

Saturday, September 19, 2026

Mid-Morning
Chesterfield Weather - 2026-09-19 - Morning - Overcast
81°F 27°C
Overcast
Mid-Afternoon
Chesterfield Weather - 2026-09-19 - Afternoon - Partly Cloudy
100°F 38°C
Partly Cloudy
Early-Evening
Chesterfield Weather - 2026-09-19 - Evening - Overcast
91°F 33°C
Overcast
Scorching hot near 100°F 38°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the SW to the SSW at 6 mph 9 km/h.

Sunday, September 20, 2026

Mid-Morning
Chesterfield Weather - 2026-09-20 - Morning - Overcast
80°F 27°C
Overcast
Mid-Afternoon
Chesterfield Weather - 2026-09-20 - Afternoon - Overcast
91°F 33°C
Overcast
Early-Evening
Chesterfield Weather - 2026-09-20 - Evening - Overcast
86°F 31°C
Overcast
Very hot with temperatures reaching 91°F 33°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.

Monday, September 21, 2026

Mid-Morning
Chesterfield Weather - 2026-09-21 - Morning - Fog
73°F 23°C
Fog
Mid-Afternoon
Chesterfield Weather - 2026-09-21 - Afternoon - Scattered Showers
80°F 27°C
Scattered Showers
Early-Evening
Chesterfield Weather - 2026-09-21 - Evening - Sunny
75°F 24°C
Sunny
Balmy with temperatures reaching 80°F 27°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds moving from the W to the NW at 7 mph 12 km/h.

Tuesday, September 22, 2026

Mid-Morning
Chesterfield Weather - 2026-09-22 - Morning - Sunny
67°F 20°C
Sunny
Mid-Afternoon
Chesterfield Weather - 2026-09-22 - Afternoon - Sunny
85°F 29°C
Sunny
Early-Evening
Chesterfield Weather - 2026-09-22 - Evening - Overcast
79°F 26°C
Overcast
Quite warm around 85°F 29°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.

Wednesday, September 23, 2026

Mid-Morning
Chesterfield Weather - 2026-09-23 - Morning - Sunny
75°F 24°C
Sunny
Mid-Afternoon
Chesterfield Weather - 2026-09-23 - Afternoon - Cloudy
92°F 33°C
Cloudy
Early-Evening
Chesterfield Weather - 2026-09-23 - Evening - Overcast
79°F 26°C
Overcast
Hot temperatures near 92°F 33°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with increasing humidity and barometric pressure falling. Winds swinging from the S to the W at 4 mph 6 km/h.

Thursday, September 24, 2026

Mid-Morning
Chesterfield Weather - 2026-09-24 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Chesterfield Weather - 2026-09-24 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Chesterfield Weather - 2026-09-24 - Evening - Sunny
68°F 20°C
Sunny
Mild with a high of 77°F 25°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds shifting from the NW to the N at 9 mph 15 km/h.

Friday, September 25, 2026

Mid-Morning
Chesterfield Weather - 2026-09-25 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Chesterfield Weather - 2026-09-25 - Afternoon - Overcast
78°F 26°C
Overcast
Early-Evening
Chesterfield Weather - 2026-09-25 - Evening - Partly Cloudy
71°F 22°C
Partly Cloudy
Pleasant near 78°F 26°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.

Saturday, September 26, 2026

Mid-Morning
Chesterfield Weather - 2026-09-26 - Morning - Overcast
67°F 20°C
Overcast
Mid-Afternoon
Chesterfield Weather - 2026-09-26 - Afternoon - Partly Cloudy
85°F 30°C
Partly Cloudy
Early-Evening
Chesterfield Weather - 2026-09-26 - Evening - Sunny
77°F 25°C
Sunny
Balmy with temperatures reaching 85°F 30°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds S at 8 mph 13 km/h.

Sunday, September 27, 2026

Mid-Morning
Chesterfield Weather - 2026-09-27 - Morning - Sunny
72°F 22°C
Sunny
Mid-Afternoon
Chesterfield Weather - 2026-09-27 - Afternoon - Sunny
90°F 32°C
Sunny
Early-Evening
Chesterfield Weather - 2026-09-27 - Evening - Sunny
82°F 28°C
Sunny
Sizzling hot with 90°F 32°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds out of the S at 13 mph 20 km/h. Gusts up to 23 mph 36 km/h.

Monday, September 28, 2026

Mid-Morning
Chesterfield Weather - 2026-09-28 - Morning - Cloudy
77°F 25°C
Cloudy
Mid-Afternoon
Chesterfield Weather - 2026-09-28 - Afternoon - Sunny
95°F 35°C
Sunny
Early-Evening
Chesterfield Weather - 2026-09-28 - Evening - Partly Cloudy
82°F 28°C
Partly Cloudy
Hot temperatures near 95°F 35°C, partly cloudy throughout the day, with steady humidity and steady pressure. Winds moving from the SSW to the ESE at 10 mph 16 km/h.

Trending Headlines

Chesterfield, MO Weather Radar Map

Use the map search tool if you want to place a location marker on the radar map...

Chesterfield, MO 7 Day Weather

National Two Day Weather Forecast


E-mail the Chesterfield Weather Forecast

Voice your opinion or tell us about page issues...

Weather by the Numbers

Tue, 15th
Chesterfield MO Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 100°F 38°C
Lo: 75°F 24°C
Sunrise 06:44 AM
Sunset 07:11 PM
Wind SW 12 mph19 km/h
Dew Point 64°F18°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 34%
Wed, 16th
Chesterfield MO Weather - Wednesday, Sep 16, 2026 - Patchy Rain Nearby
Hi: 95°F 35°C
Lo: 71°F 22°C
Sunrise 06:45 AM
Sunset 07:09 PM
Wind N 1 mph2 km/h
Dew Point 70°F21°C
uv Index 6
Barometric Pressure 30.24 in1024 mb
POP 36% *
Humidity 58%
Thu, 17th
Chesterfield MO Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 99°F 37°C
Lo: 75°F 24°C
Sunrise 06:46 AM
Sunset 07:08 PM
Wind NW 5 mph8 km/h
Dew Point 66°F19°C
uv Index 8
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 42%
Fri, 18th
Chesterfield MO Weather - Friday, Sep 18, 2026 - Sunny
Hi: 98°F 37°C
Lo: 75°F 24°C
Sunrise 06:47 AM
Sunset 07:06 PM
Wind SSW 3 mph5 km/h
Dew Point 66°F19°C
uv Index 8
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 41%
Sat, 19th
Chesterfield MO Weather - Saturday, Sep 19, 2026 - Cloudy
Hi: 100°F 38°C
Lo: 77°F 25°C
Sunrise 06:48 AM
Sunset 07:04 PM
Wind WSW 11 mph17 km/h
Dew Point 58°F14°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 7% *
Humidity 29%
Sun, 20th
Chesterfield MO Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 93°F 34°C
Lo: 78°F 25°C
Sunrise 06:49 AM
Sunset 07:03 PM
Wind WSW 4 mph6 km/h
Dew Point 59°F15°C
uv Index 7
Barometric Pressure 29.85 in1011 mb
POP 10% *
Humidity 41%
Mon, 21st
Chesterfield MO Weather - Monday, Sep 21, 2026 - Patchy Rain Nearby
Hi: 81°F 27°C
Lo: 67°F 20°C
Sunrise 06:49 AM
Sunset 07:01 PM
Wind W 10 mph16 km/h
Dew Point 64°F18°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 10% *
Humidity 59%
Tue, 22nd
Chesterfield MO Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 86°F 30°C
Lo: 60°F 15°C
Sunrise 06:50 AM
Sunset 06:59 PM
Wind ENE 3 mph5 km/h
Dew Point 53°F12°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 42%
Wed, 23rd
Chesterfield MO Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 93°F 34°C
Lo: 68°F 20°C
Sunrise 06:51 AM
Sunset 06:58 PM
Wind SSW 8 mph12 km/h
Dew Point 52°F11°C
uv Index 7
Barometric Pressure 30 in1016 mb
POP 5% *
Humidity 33%
Thu, 24th
Chesterfield MO Weather - Thursday, Sep 24, 2026 - Partly Cloudy
Hi: 78°F 25°C
Lo: 54°F 12°C
Sunrise 06:52 AM
Sunset 06:56 PM
Wind NW 14 mph23 km/h
Dew Point 31°F-1°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 22%
Fri, 25th
Chesterfield MO Weather - Friday, Sep 25, 2026 - Sunny
Hi: 79°F 26°C
Lo: 52°F 11°C
Sunrise 06:53 AM
Sunset 06:55 PM
Wind ESE 2 mph4 km/h
Dew Point 37°F3°C
uv Index 6
Barometric Pressure 30.15 in1021 mb
POP 5% *
Humidity 29%
Sat, 26th
Chesterfield MO Weather - Saturday, Sep 26, 2026 - Overcast
Hi: 86°F 30°C
Lo: 59°F 15°C
Sunrise 06:54 AM
Sunset 06:53 PM
Wind S 8 mph13 km/h
Dew Point 42°F6°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 4% *
Humidity 27%
Sun, 27th
Chesterfield MO Weather - Sunday, Sep 27, 2026 - Sunny
Hi: 91°F 33°C
Lo: 64°F 18°C
Sunrise 06:55 AM
Sunset 06:51 PM
Wind S 12 mph19 km/h
Dew Point 44°F7°C
uv Index 7
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 25%
Mon, 28th
Chesterfield MO Weather - Monday, Sep 28, 2026 - Partly Cloudy
Hi: 96°F 36°C
Lo: 68°F 20°C
Sunrise 06:56 AM
Sunset 06:50 PM
Wind SW 9 mph15 km/h
Dew Point 50°F10°C
uv Index 8
Barometric Pressure 29.97 in1015 mb
POP 2% *
Humidity 27%
* POP = Probability of Precipitation. Data for 12:00 PM.