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Union Star MO Weather - Thunder - 65°F
Thunder
65°F
Updated 9:08 am
Feels Like 68°F
Humidity 96%
Wind N 0 mph
Barometer  30.25 in
Dew Point 64°F
Union Star MO Weather - Thunder - 18°C
Thunder
18°C
Updated 9:08 am
Feels Like 20°C
Humidity 96%
Wind N 0 km/h
Barometer  102.4 kPa
Dew Point 18°C
Union Star, MO Weather and Current Conditionsunion star mo weather forecast

Union Star, MO Weather Forecast

Union Star Missouri WeatherUnion Star, Missouri Weather Weather Forecast
14 day API Union Star, MO weather forecast. Note. Our 7-day weather forecast for Union Star, 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.
Union Star, MO Weather Forecast Dated: 908 AM Wed Sep 16 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. Isolated storms at times.

Wednesday, September 16, 2026

Mid-Morning
Union Star Weather - 2026-09-16 - Morning - Light Showers
66°F 19°C
Light Showers
Mid-Afternoon
Union Star Weather - 2026-09-16 - Afternoon - Scattered Showers
78°F 26°C
Scattered Showers
Early-Evening
Union Star Weather - 2026-09-16 - Evening - Sunny
78°F 26°C
Sunny
Pleasant near 78°F 26°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the SE to the E at 5 mph 8 km/h.

Thursday, September 17, 2026

Mid-Morning
Union Star Weather - 2026-09-17 - Morning - Light Showers
72°F 22°C
Light Showers
Mid-Afternoon
Union Star Weather - 2026-09-17 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Union Star Weather - 2026-09-17 - Evening - Sunny
84°F 29°C
Sunny
Quite warm reaching 86°F 30°C, feeling like 91°F 33°C during peak afternoon, scattered morning showers before drying out later, with steady humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Union Star Weather - 2026-09-18 - Morning - Sunny
78°F 26°C
Sunny
Mid-Afternoon
Union Star Weather - 2026-09-18 - Afternoon - Sunny
90°F 32°C
Sunny
Early-Evening
Union Star Weather - 2026-09-18 - Evening - Sunny
86°F 30°C
Sunny
Very hot with a high of 90°F 32°C, feeling closer to 95°F 35°C in the humidity, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the SSE to the S at 13 mph 20 km/h. Gusts up to 29 mph 46 km/h.

Saturday, September 19, 2026

Mid-Morning
Union Star Weather - 2026-09-19 - Morning - Light Showers
76°F 24°C
Light Showers
Mid-Afternoon
Union Star Weather - 2026-09-19 - Afternoon - Sunny
90°F 32°C
Sunny
Early-Evening
Union Star Weather - 2026-09-19 - Evening - Nearby Thunderstorms
85°F 29°C
Nearby Thunderstorms
Sizzling hot near 90°F 32°C with a heat index reaching 95°F 35°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. A stray shower or storm late in the day. Winds moving from the SSE to the SW at 10 mph 16 km/h.

Sunday, September 20, 2026

Mid-Morning
Union Star Weather - 2026-09-20 - Morning - Light Showers
62°F 17°C
Light Showers
Mid-Afternoon
Union Star Weather - 2026-09-20 - Afternoon - Scattered Showers
67°F 19°C
Scattered Showers
Early-Evening
Union Star Weather - 2026-09-20 - Evening - Light Showers
64°F 17°C
Light Showers
Refreshing around 67°F 19°C, scattered downpours possible, with steady humidity and steady pressure. Winds swinging from the N to the NNE at 7 mph 11 km/h.

Monday, September 21, 2026

Mid-Morning
Union Star Weather - 2026-09-21 - Morning - Light Fog
64°F 18°C
Light Fog
Mid-Afternoon
Union Star Weather - 2026-09-21 - Afternoon - Sunny
75°F 24°C
Sunny
Early-Evening
Union Star Weather - 2026-09-21 - Evening - Sunny
69°F 20°C
Sunny
Pleasant near 75°F 24°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the WNW to the NNW at 9 mph 14 km/h.

Tuesday, September 22, 2026

Mid-Morning
Union Star Weather - 2026-09-22 - Morning - Light Fog
62°F 17°C
Light Fog
Mid-Afternoon
Union Star Weather - 2026-09-22 - Afternoon - Sunny
75°F 24°C
Sunny
Early-Evening
Union Star Weather - 2026-09-22 - Evening - Partly Cloudy
75°F 24°C
Partly Cloudy
Comfortable with temperatures reaching 75°F 24°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure.

Wednesday, September 23, 2026

Mid-Morning
Union Star Weather - 2026-09-23 - Morning - Partly Cloudy
72°F 22°C
Partly Cloudy
Mid-Afternoon
Union Star Weather - 2026-09-23 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Union Star Weather - 2026-09-23 - Evening - Light Showers
68°F 20°C
Light Showers
Enjoyable around 73°F 23°C, mainly dry until evening showers arrive, with increasing humidity and steady pressure. Winds turning from the SSW to the WNW at 14 mph 22 km/h. Gusts up to 28 mph 45 km/h.

Thursday, September 24, 2026

Mid-Morning
Union Star Weather - 2026-09-24 - Morning - Sunny
56°F 14°C
Sunny
Mid-Afternoon
Union Star Weather - 2026-09-24 - Afternoon - Sunny
64°F 18°C
Sunny
Early-Evening
Union Star Weather - 2026-09-24 - Evening - Sunny
61°F 16°C
Sunny
Refreshing around 64°F 18°C, sunny throughout the day, with steady humidity and steady pressure. Winds easing from NW 17 mph 27 km/h to NNW 9 mph 14 km/h.

Friday, September 25, 2026

Mid-Morning
Union Star Weather - 2026-09-25 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Union Star Weather - 2026-09-25 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Union Star Weather - 2026-09-25 - Evening - Sunny
67°F 19°C
Sunny
Mild with a high of 70°F 21°C, sunny throughout the day, with steady humidity and steady pressure.

Saturday, September 26, 2026

Mid-Morning
Union Star Weather - 2026-09-26 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Union Star Weather - 2026-09-26 - Afternoon - Partly Cloudy
76°F 25°C
Partly Cloudy
Early-Evening
Union Star Weather - 2026-09-26 - Evening - Sunny
72°F 22°C
Sunny
Pleasant near 76°F 25°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds moving from the SSE to the SE at 11 mph 17 km/h. Gusts up to 23 mph 37 km/h.

Sunday, September 27, 2026

Mid-Morning
Union Star Weather - 2026-09-27 - Morning - Overcast
65°F 19°C
Overcast
Mid-Afternoon
Union Star Weather - 2026-09-27 - Afternoon - Overcast
81°F 27°C
Overcast
Early-Evening
Union Star Weather - 2026-09-27 - Evening - Cloudy
76°F 25°C
Cloudy
Balmy with temperatures reaching 81°F 27°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds swinging from the S to the SSE at 10 mph 16 km/h.

Monday, September 28, 2026

Mid-Morning
Union Star Weather - 2026-09-28 - Morning - Sunny
69°F 20°C
Sunny
Mid-Afternoon
Union Star Weather - 2026-09-28 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Union Star Weather - 2026-09-28 - Evening - Sunny
82°F 28°C
Sunny
Quite warm around 84°F 29°C, sunny through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds out of the S at 15 mph 24 km/h.

Tuesday, September 29, 2026

Mid-Morning
Union Star Weather - 2026-09-29 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Union Star Weather - 2026-09-29 - Afternoon - Overcast
64°F 18°C
Overcast
Early-Evening
Union Star Weather - 2026-09-29 - Evening - Overcast
64°F 18°C
Overcast
Mildly cool near 64°F 18°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the NNW to the NNE at 8 mph 13 km/h.

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Weather by the Numbers

Wed, 16th
Union Star MO Weather - Wednesday, Sep 16, 2026 - Light Rain Shower
Hi: 81°F 27°C
Lo: 62°F 17°C
Sunrise 07:00 AM
Sunset 07:25 PM
Wind ESE 11 mph17 km/h
Dew Point 67°F19°C
uv Index 3
Barometric Pressure 30.21 in1023 mb
POP 77% *
Humidity 96%
Thu, 17th
Union Star MO Weather - Thursday, Sep 17, 2026 - Cloudy
Hi: 87°F 31°C
Lo: 72°F 22°C
Sunrise 07:01 AM
Sunset 07:24 PM
Wind SSE 5 mph8 km/h
Dew Point 68°F20°C
uv Index 6
Barometric Pressure 30.18 in1022 mb
POP 12% *
Humidity 67%
Fri, 18th
Union Star MO Weather - Friday, Sep 18, 2026 - Sunny
Hi: 90°F 32°C
Lo: 73°F 23°C
Sunrise 07:02 AM
Sunset 07:22 PM
Wind SSW 13 mph22 km/h
Dew Point 67°F19°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 3% *
Humidity 58%
Sat, 19th
Union Star MO Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 91°F 33°C
Lo: 71°F 22°C
Sunrise 07:03 AM
Sunset 07:20 PM
Wind SW 11 mph18 km/h
Dew Point 65°F19°C
uv Index 6
Barometric Pressure 29.85 in1011 mb
POP 4% *
Humidity 59%
Sun, 20th
Union Star MO Weather - Sunday, Sep 20, 2026 - Patchy Rain Nearby
Hi: 72°F 22°C
Lo: 60°F 16°C
Sunrise 07:04 AM
Sunset 07:18 PM
Wind NE 8 mph13 km/h
Dew Point 62°F17°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 29% *
Humidity 90%
Mon, 21st
Union Star MO Weather - Monday, Sep 21, 2026 - Sunny
Hi: 75°F 24°C
Lo: 59°F 15°C
Sunrise 07:05 AM
Sunset 07:17 PM
Wind W 11 mph18 km/h
Dew Point 59°F15°C
uv Index 6
Barometric Pressure 29.85 in1011 mb
POP 4% *
Humidity 63%
Tue, 22nd
Union Star MO Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 77°F 25°C
Lo: 60°F 15°C
Sunrise 07:06 AM
Sunset 07:15 PM
Wind WNW 4 mph6 km/h
Dew Point 56°F13°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 4% *
Humidity 62%
Wed, 23rd
Union Star MO Weather - Wednesday, Sep 23, 2026 - Overcast
Hi: 82°F 28°C
Lo: 64°F 18°C
Sunrise 07:07 AM
Sunset 07:13 PM
Wind SW 15 mph23 km/h
Dew Point 58°F15°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 11% *
Humidity 49%
Thu, 24th
Union Star MO Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 65°F 18°C
Lo: 55°F 13°C
Sunrise 07:08 AM
Sunset 07:12 PM
Wind NW 20 mph32 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 41%
Fri, 25th
Union Star MO Weather - Friday, Sep 25, 2026 - Sunny
Hi: 71°F 22°C
Lo: 52°F 11°C
Sunrise 07:09 AM
Sunset 07:10 PM
Wind SSW 1 mph1 km/h
Dew Point 41°F5°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 41%
Sat, 26th
Union Star MO Weather - Saturday, Sep 26, 2026 - Sunny
Hi: 78°F 25°C
Lo: 56°F 13°C
Sunrise 07:10 AM
Sunset 07:08 PM
Wind SSE 13 mph21 km/h
Dew Point 43°F6°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 38%
Sun, 27th
Union Star MO Weather - Sunday, Sep 27, 2026 - Overcast
Hi: 82°F 28°C
Lo: 62°F 17°C
Sunrise 07:11 AM
Sunset 07:07 PM
Wind S 16 mph26 km/h
Dew Point 48°F9°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 9% *
Humidity 40%
Mon, 28th
Union Star MO Weather - Monday, Sep 28, 2026 - Sunny
Hi: 85°F 29°C
Lo: 65°F 18°C
Sunrise 07:12 AM
Sunset 07:05 PM
Wind S 14 mph23 km/h
Dew Point 49°F10°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 37%
Tue, 29th
Union Star MO Weather - Tuesday, Sep 29, 2026 - Overcast
Hi: 78°F 26°C
Lo: 58°F 14°C
Sunrise 07:13 AM
Sunset 07:03 PM
Wind NNW 10 mph15 km/h
Dew Point 40°F5°C
uv Index 4
Barometric Pressure 30.09 in1019 mb
POP 11% *
Humidity 47%
* POP = Probability of Precipitation. Data for 12:00 PM.