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Eureka MO Weather - Clear - 75°F
Clear
75°F
Updated 1:29 am
Feels Like 73°F
Humidity 57%
Wind ESE 3 mph
Barometer  30.02 in
Dew Point 59°F
Eureka MO Weather - Clear - 24°C
Clear
24°C
Updated 1:29 am
Feels Like 23°C
Humidity 57%
Wind ESE 5 km/h
Barometer  101.6 kPa
Dew Point 15°C
Eureka, MO Weather and Current Conditionseureka mo weather forecast

Eureka, MO Weather Forecast

Eureka Missouri WeatherEureka, Missouri Weather Weather Forecast
14 day API Eureka, MO weather forecast. Note. Our 7-day weather forecast for Eureka, Missouri is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Eureka, MO Weather Forecast Dated: 129 AM Mon Sep 07 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.

Monday, September 7, 2026

Mid-Morning
Eureka Weather - 2026-09-07 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Eureka Weather - 2026-09-07 - Afternoon - Sunny
89°F 32°C
Sunny
Early-Evening
Eureka Weather - 2026-09-07 - Evening - Sunny
82°F 27°C
Sunny
Warm and summery near 89°F 32°C, sunny throughout the day, with lower humidity and steady pressure.

Tuesday, September 8, 2026

Mid-Morning
Eureka Weather - 2026-09-08 - Morning - Overcast
74°F 23°C
Overcast
Mid-Afternoon
Eureka Weather - 2026-09-08 - Afternoon - Partly Cloudy
97°F 36°C
Partly Cloudy
Early-Evening
Eureka Weather - 2026-09-08 - Evening - Overcast
90°F 32°C
Overcast
Hot and sweltering around 97°F 36°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds out of the S at 7 mph 11 km/h. Gusts up to 20 mph 31 km/h.

Wednesday, September 9, 2026

Mid-Morning
Eureka Weather - 2026-09-09 - Morning - Sunny
84°F 29°C
Sunny
Mid-Afternoon
Eureka Weather - 2026-09-09 - Afternoon - Overcast
98°F 37°C
Overcast
Early-Evening
Eureka Weather - 2026-09-09 - Evening - Scattered Showers
75°F 24°C
Scattered Showers
Very hot with a high of 98°F 37°C, feeling closer to 101°F 38°C in the humidity, locally heavy downpours at times, with increasing humidity and steady pressure. Winds switching from the SW to the SSW at 11 mph 17 km/h. Gusts up to 30 mph 48 km/h.

Thursday, September 10, 2026

Mid-Morning
Eureka Weather - 2026-09-10 - Morning - Overcast
70°F 21°C
Overcast
Mid-Afternoon
Eureka Weather - 2026-09-10 - Afternoon - Cloudy
83°F 28°C
Cloudy
Early-Evening
Eureka Weather - 2026-09-10 - Evening - Sunny
77°F 25°C
Sunny
Warm temperatures up to 83°F 28°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.

Friday, September 11, 2026

Mid-Morning
Eureka Weather - 2026-09-11 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Eureka Weather - 2026-09-11 - Afternoon - Overcast
85°F 30°C
Overcast
Early-Evening
Eureka Weather - 2026-09-11 - Evening - Overcast
73°F 23°C
Overcast
Very warm with a high of 85°F 30°C, overcast throughout the day, with increasing humidity and barometric pressure falling. Winds moving from the S to the SSE at 7 mph 11 km/h.

Saturday, September 12, 2026

Mid-Morning
Eureka Weather - 2026-09-12 - Morning - Light Fog
74°F 23°C
Light Fog
Mid-Afternoon
Eureka Weather - 2026-09-12 - Afternoon - Sunny
93°F 34°C
Sunny
Early-Evening
Eureka Weather - 2026-09-12 - Evening - Sunny
86°F 30°C
Sunny
Very hot with a high of 93°F 34°C, feeling closer to 97°F 36°C in the humidity, sunny throughout the day, with lower humidity and steady pressure.

Sunday, September 13, 2026

Mid-Morning
Eureka Weather - 2026-09-13 - Morning - Sunny
85°F 29°C
Sunny
Mid-Afternoon
Eureka Weather - 2026-09-13 - Afternoon - Sunny
100°F 38°C
Sunny
Early-Evening
Eureka Weather - 2026-09-13 - Evening - Cloudy
93°F 34°C
Cloudy
Dangerously hot temperatures around 100°F 38°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds swinging from the SSW to the S at 10 mph 15 km/h. Gusts up to 25 mph 39 km/h.

Monday, September 14, 2026

Mid-Morning
Eureka Weather - 2026-09-14 - Morning - Sunny
80°F 27°C
Sunny
Mid-Afternoon
Eureka Weather - 2026-09-14 - Afternoon - Sunny
95°F 35°C
Sunny
Early-Evening
Eureka Weather - 2026-09-14 - Evening - Partly Cloudy
83°F 29°C
Partly Cloudy
Hot and sweltering around 95°F 35°C (heat index 99°F 37°C), cloudy in the morning, partly cloudy in the afternoon, and cloudy this evening, with increasing humidity and steady pressure. Winds shifting from the SSW to the WSW at 7 mph 11 km/h.

Tuesday, September 15, 2026

Mid-Morning
Eureka Weather - 2026-09-15 - Morning - Light Showers
67°F 19°C
Light Showers
Mid-Afternoon
Eureka Weather - 2026-09-15 - Afternoon - Scattered Showers
83°F 28°C
Scattered Showers
Early-Evening
Eureka Weather - 2026-09-15 - Evening - Partly Cloudy
79°F 26°C
Partly Cloudy
Warm temperatures up to 83°F 28°C, locally heavy downpours at times, with lower humidity and steady pressure.

Wednesday, September 16, 2026

Mid-Morning
Eureka Weather - 2026-09-16 - Morning - Light Showers
66°F 19°C
Light Showers
Mid-Afternoon
Eureka Weather - 2026-09-16 - Afternoon - Light Showers
73°F 23°C
Light Showers
Early-Evening
Eureka Weather - 2026-09-16 - Evening - Overcast
72°F 22°C
Overcast
Mild with a high of 73°F 23°C, intermittent showers through midday, easing by evening, with lower humidity and steady pressure.

Thursday, September 17, 2026

Mid-Morning
Eureka Weather - 2026-09-17 - Morning - Partly Cloudy
69°F 20°C
Partly Cloudy
Mid-Afternoon
Eureka Weather - 2026-09-17 - Afternoon - Overcast
79°F 26°C
Overcast
Early-Evening
Eureka Weather - 2026-09-17 - Evening - Overcast
75°F 24°C
Overcast
Pleasant near 79°F 26°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Eureka Weather - 2026-09-18 - Morning - Scattered Showers
67°F 20°C
Scattered Showers
Mid-Afternoon
Eureka Weather - 2026-09-18 - Afternoon - Scattered Showers
80°F 26°C
Scattered Showers
Early-Evening
Eureka Weather - 2026-09-18 - Evening - Partly Cloudy
76°F 24°C
Partly Cloudy
Balmy with temperatures reaching 80°F 26°C, locally heavy downpours at times, with steady humidity and barometric pressure falling.

Saturday, September 19, 2026

Mid-Morning
Eureka Weather - 2026-09-19 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Eureka Weather - 2026-09-19 - Afternoon - Sunny
94°F 35°C
Sunny
Early-Evening
Eureka Weather - 2026-09-19 - Evening - Sunny
88°F 31°C
Sunny
Sizzling hot near 94°F 35°C with a heat index reaching 97°F 36°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds SSW at 11 mph 18 km/h. Gusts up to 25 mph 40 km/h.

Sunday, September 20, 2026

Mid-Morning
Eureka Weather - 2026-09-20 - Morning - Light Showers
62°F 17°C
Light Showers
Mid-Afternoon
Eureka Weather - 2026-09-20 - Afternoon - Light Showers
60°F 15°C
Light Showers
Early-Evening
Eureka Weather - 2026-09-20 - Evening - Overcast
57°F 15°C
Overcast
Mildly cool near 60°F 15°C, showers lingering into the afternoon before clearing, with lower humidity and barometric pressure rising. Winds switching from the NNW to the W at 5 mph 8 km/h.

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Weather by the Numbers

Mon, 7th
Eureka MO Weather - Monday, Sep 7, 2026 - Sunny
Hi: 89°F 32°C
Lo: 66°F 19°C
Sunrise 06:37 AM
Sunset 07:23 PM
Wind E 6 mph9 km/h
Dew Point 52°F11°C
uv Index 8
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 35%
Tue, 8th
Eureka MO Weather - Tuesday, Sep 8, 2026 - Overcast
Hi: 97°F 36°C
Lo: 67°F 20°C
Sunrise 06:38 AM
Sunset 07:22 PM
Wind S 6 mph9 km/h
Dew Point 56°F13°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 9% *
Humidity 31%
Wed, 9th
Eureka MO Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 101°F 39°C
Lo: 74°F 23°C
Sunrise 06:39 AM
Sunset 07:20 PM
Wind W 12 mph19 km/h
Dew Point 60°F16°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 0% *
Humidity 27%
Thu, 10th
Eureka MO Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 83°F 29°C
Lo: 69°F 20°C
Sunrise 06:40 AM
Sunset 07:19 PM
Wind N 6 mph10 km/h
Dew Point 55°F13°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 10% *
Humidity 43%
Fri, 11th
Eureka MO Weather - Friday, Sep 11, 2026 - Overcast
Hi: 86°F 30°C
Lo: 62°F 16°C
Sunrise 06:41 AM
Sunset 07:17 PM
Wind S 9 mph14 km/h
Dew Point 49°F10°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 9% *
Humidity 31%
Sat, 12th
Eureka MO Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 94°F 35°C
Lo: 67°F 19°C
Sunrise 06:41 AM
Sunset 07:15 PM
Wind SSW 7 mph11 km/h
Dew Point 67°F20°C
uv Index 7
Barometric Pressure 29.83 in1010 mb
POP 2% *
Humidity 56%
Sun, 13th
Eureka MO Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 101°F 38°C
Lo: 76°F 24°C
Sunrise 06:42 AM
Sunset 07:14 PM
Wind SSW 13 mph21 km/h
Dew Point 62°F17°C
uv Index 9
Barometric Pressure 29.83 in1010 mb
POP 1% *
Humidity 34%
Mon, 14th
Eureka MO Weather - Monday, Sep 14, 2026 - Cloudy
Hi: 96°F 36°C
Lo: 75°F 24°C
Sunrise 06:43 AM
Sunset 07:12 PM
Wind SW 11 mph18 km/h
Dew Point 65°F18°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 3% *
Humidity 45%
Tue, 15th
Eureka MO Weather - Tuesday, Sep 15, 2026 - Partly Cloudy
Hi: 84°F 29°C
Lo: 63°F 17°C
Sunrise 06:44 AM
Sunset 07:11 PM
Wind SW 4 mph7 km/h
Dew Point 58°F15°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 8% *
Humidity 55%
Wed, 16th
Eureka MO Weather - Wednesday, Sep 16, 2026 - Light Rain Shower
Hi: 74°F 23°C
Lo: 66°F 19°C
Sunrise 06:45 AM
Sunset 07:09 PM
Wind SE 4 mph6 km/h
Dew Point 64°F18°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 54% *
Humidity 80%
Thu, 17th
Eureka MO Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 79°F 26°C
Lo: 62°F 17°C
Sunrise 06:46 AM
Sunset 07:07 PM
Wind NE 5 mph8 km/h
Dew Point 62°F17°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 14% *
Humidity 60%
Fri, 18th
Eureka MO Weather - Friday, Sep 18, 2026 - Partly Cloudy
Hi: 80°F 27°C
Lo: 66°F 19°C
Sunrise 06:47 AM
Sunset 07:06 PM
Wind SE 6 mph10 km/h
Dew Point 62°F16°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 10% *
Humidity 63%
Sat, 19th
Eureka MO Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 95°F 35°C
Lo: 71°F 22°C
Sunrise 06:48 AM
Sunset 07:04 PM
Wind SSW 10 mph17 km/h
Dew Point 65°F18°C
uv Index 8
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 46%
Sun, 20th
Eureka MO Weather - Sunday, Sep 20, 2026 - Light Rain Shower
Hi: 79°F 26°C
Lo: 56°F 13°C
Sunrise 06:48 AM
Sunset 07:03 PM
Wind NNW 8 mph13 km/h
Dew Point 56°F13°C
uv Index 3
Barometric Pressure 30.06 in1018 mb
POP 46% *
Humidity 90%
* POP = Probability of Precipitation. Data for 12:00 PM.