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Current weather in Union is clear sky.

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Weather data for Union is updated regularly with the latest available observations and forecasts.

Now · 12:19 PM

Union Weather & Hourly Forecast

United States · Mississippi · 39365

89°F

Sunny

Feels like: 93°F

💧 Humidity 49% 🌡 Pressure 30.00 inHg 💨 Wind 4 mph 👁 Visibility 25.5 mi ☁ Clouds 0% ☀️ UV index 7.3 · High 🌅 Sunrise 6:43 AM 🌇 Sunset 6:54 PM

Hourly Forecast for Union

Today

1:00 PM

Strong thunderstorm

90° 💧 0.004 in 💨 4 mph H 47%29.97 inHg

4:00 PM

Mostly sunny

91° 💧 0.019 in 💨 5 mph H 44%29.91 inHg

7:00 PM

Mostly clear night

83° 💧 0.001 in 💨 3 mph H 64%29.94 inHg

10:00 PM

Clear night

77° 💧 None 💨 4 mph H 72%30.00 inHg

Tomorrow

1:00 AM

Clear night

76° 💧 None 💨 6 mph H 76%30.00 inHg

4:00 AM

Clear night

73° 💧 None 💨 5 mph H 81%30.00 inHg

7:00 AM

Sunny

72° 💧 None 💨 6 mph H 85%30.06 inHg

10:00 AM

Sunny

83° 💧 None 💨 6 mph H 64%30.09 inHg

1:00 PM

Mostly sunny

90° 💧 0.014 in 💨 7 mph H 46%30.06 inHg

4:00 PM

Mostly sunny

90° 💧 0.007 in 💨 7 mph H 43%30.00 inHg

7:00 PM

Clear night

82° 💧 None 💨 5 mph H 57%30.00 inHg

10:00 PM

Clear night

77° 💧 None 💨 7 mph H 60%30.06 inHg

Thursday

1:00 AM

Clear night

74° 💧 None 💨 8 mph H 66%30.06 inHg

4:00 AM

Clear night

71° 💧 None 💨 7 mph H 68%30.06 inHg

7:00 AM

Mostly sunny

69° 💧 None 💨 7 mph H 76%30.09 inHg

10:00 AM

Sunny

79° 💧 None 💨 6 mph H 65%30.09 inHg

Today

1:00 PM

Strong thunderstorm

90° 💧 0.000 in 💨 4 mph H 47%29.97 inHg

2:00 PM

Strong thunderstorm

92° 💧 0.001 in 💨 5 mph H 45%29.97 inHg

3:00 PM

Strong thunderstorm

92° 💧 0.002 in 💨 5 mph H 44%29.94 inHg

4:00 PM

Mostly sunny

91° 💧 0.000 in 💨 5 mph H 44%29.91 inHg

5:00 PM

Light rain

89° 💧 0.018 in 💨 4 mph H 51%29.91 inHg

6:00 PM

Partly cloudy

87° 💧 0.001 in 💨 2 mph H 56%29.91 inHg

7:00 PM

Mostly clear night

83° 💧 0.001 in 💨 3 mph H 64%29.94 inHg

8:00 PM

Clear night

80° 💧 None 💨 5 mph H 66%29.94 inHg

9:00 PM

Clear night

79° 💧 None 💨 5 mph H 68%29.97 inHg

10:00 PM

Clear night

77° 💧 None 💨 4 mph H 72%30.00 inHg

11:00 PM

Clear night

77° 💧 None 💨 5 mph H 74%30.00 inHg

Tomorrow

12:00 AM

Clear night

76° 💧 None 💨 6 mph H 74%30.00 inHg

1:00 AM

Clear night

76° 💧 None 💨 6 mph H 76%30.00 inHg

2:00 AM

Clear night

75° 💧 None 💨 6 mph H 76%30.00 inHg

3:00 AM

Clear night

74° 💧 None 💨 5 mph H 78%30.00 inHg

4:00 AM

Clear night

73° 💧 None 💨 5 mph H 81%30.00 inHg

5:00 AM

Clear night

72° 💧 None 💨 6 mph H 82%30.03 inHg

6:00 AM

Clear night

72° 💧 None 💨 6 mph H 84%30.03 inHg

7:00 AM

Sunny

72° 💧 None 💨 6 mph H 85%30.06 inHg

8:00 AM

Sunny

75° 💧 None 💨 6 mph H 80%30.06 inHg

9:00 AM

Sunny

79° 💧 None 💨 6 mph H 72%30.06 inHg

10:00 AM

Sunny

83° 💧 None 💨 6 mph H 64%30.09 inHg

11:00 AM

Sunny

86° 💧 None 💨 5 mph H 57%30.09 inHg

12:00 PM

Mostly sunny

89° 💧 None 💨 6 mph H 50%30.06 inHg

1:00 PM

Mostly sunny

90° 💧 0.004 in 💨 7 mph H 46%30.06 inHg

2:00 PM

Light rain

90° 💧 0.006 in 💨 7 mph H 45%30.03 inHg

3:00 PM

Light rain

91° 💧 0.005 in 💨 7 mph H 43%30.00 inHg

4:00 PM

Mostly sunny

90° 💧 0.003 in 💨 7 mph H 43%30.00 inHg

5:00 PM

Sunny

89° 💧 0.004 in 💨 7 mph H 45%30.00 inHg

6:00 PM

Sunny

87° 💧 0.001 in 💨 5 mph H 48%30.00 inHg

7:00 PM

Clear night

82° 💧 None 💨 5 mph H 57%30.00 inHg

8:00 PM

Clear night

80° 💧 None 💨 6 mph H 60%30.03 inHg

9:00 PM

Clear night

79° 💧 None 💨 7 mph H 60%30.03 inHg

10:00 PM

Clear night

77° 💧 None 💨 7 mph H 60%30.06 inHg

11:00 PM

Clear night

75° 💧 None 💨 7 mph H 64%30.06 inHg

Thursday

12:00 AM

Clear night

74° 💧 None 💨 7 mph H 66%30.06 inHg

1:00 AM

Clear night

74° 💧 None 💨 8 mph H 66%30.06 inHg

2:00 AM

Clear night

73° 💧 None 💨 8 mph H 66%30.06 inHg

3:00 AM

Clear night

72° 💧 None 💨 8 mph H 66%30.06 inHg

4:00 AM

Clear night

71° 💧 None 💨 7 mph H 68%30.06 inHg

5:00 AM

Mostly clear night

70° 💧 None 💨 7 mph H 70%30.06 inHg

6:00 AM

Mostly clear night

69° 💧 None 💨 7 mph H 73%30.09 inHg

7:00 AM

Mostly sunny

69° 💧 None 💨 7 mph H 76%30.09 inHg

8:00 AM

Sunny

71° 💧 None 💨 6 mph H 73%30.09 inHg

9:00 AM

Mostly sunny

75° 💧 None 💨 6 mph H 68%30.09 inHg

10:00 AM

Sunny

79° 💧 None 💨 6 mph H 65%30.09 inHg

11:00 AM

Sunny

82° 💧 None 💨 5 mph H 61%30.09 inHg

12:00 PM

Partly cloudy

85° 💧 None 💨 5 mph H 54%30.09 inHg

1:00 PM

Mostly sunny

87° 💧 None 💨 6 mph H 49%30.06 inHg

2:00 PM

Partly cloudy

88° 💧 None 💨 6 mph H 46%30.03 inHg

3:00 PM

Partly cloudy

88° 💧 None 💨 7 mph H 44%30.00 inHg

4:00 PM

Partly cloudy

87° 💧 None 💨 7 mph H 42%30.00 inHg

5:00 PM

Mostly cloudy

86° 💧 None 💨 7 mph H 43%30.00 inHg

6:00 PM

Mostly cloudy

84° 💧 None 💨 6 mph H 46%30.00 inHg

7:00 PM

Mostly cloudy night

80° 💧 None 💨 6 mph H 53%30.03 inHg

Friday

4:00 AM

Mostly clear night

70° 💧 None 💨 4 mph H 84%30.06 inHg

7:00 AM

Partly cloudy

67° 💧 None 💨 5 mph H 91%30.09 inHg

10:00 AM

Mostly sunny

79° 💧 None 💨 5 mph H 59%30.12 inHg

1:00 PM

Partly cloudy

87° 💧 None 💨 6 mph H 41%30.09 inHg

4:00 PM

Mostly sunny

88° 💧 None 💨 6 mph H 36%30.00 inHg

7:00 PM

Mostly clear night

79° 💧 None 💨 4 mph H 49%30.03 inHg

10:00 PM

Clear night

75° 💧 None 💨 4 mph H 60%30.06 inHg

Saturday

1:00 AM

Partly cloudy night

71° 💧 None 💨 4 mph H 69%30.06 inHg

4:00 AM

Mostly clear night

68° 💧 None 💨 4 mph H 72%30.06 inHg

7:00 AM

Sunny

67° 💧 None 💨 4 mph H 79%30.09 inHg

10:00 AM

Mostly cloudy

80° 💧 None 💨 3 mph H 50%30.09 inHg

1:00 PM

Mostly cloudy

87° 💧 None 💨 1 mph H 38%30.06 inHg

4:00 PM

Mostly sunny

89° 💧 None 💨 4 mph H 34%29.97 inHg

7:00 PM

Mostly clear night

81° 💧 None 💨 1 mph H 50%30.00 inHg

10:00 PM

Partly cloudy night

75° 💧 None 💨 4 mph H 54%30.00 inHg

Sunday

1:00 AM

Partly cloudy night

71° 💧 None 💨 4 mph H 64%30.00 inHg

4:00 AM

Clear night

69° 💧 None 💨 5 mph H 66%30.00 inHg

7:00 AM

Sunny

69° 💧 None 💨 6 mph H 78%30.00 inHg

10:00 AM

Mostly sunny

83° 💧 None 💨 6 mph H 58%30.00 inHg

1:00 PM

Sunny

91° 💧 None 💨 6 mph H 35%29.94 inHg

4:00 PM

Sunny

93° 💧 None 💨 5 mph H 32%29.85 inHg

7:00 PM

Partly cloudy night

85° 💧 None 💨 2 mph H 48%29.85 inHg

10:00 PM

Overcast night

78° 💧 None 💨 3 mph H 51%29.88 inHg

Monday

1:00 AM

Partly cloudy night

74° 💧 None 💨 5 mph H 54%29.88 inHg

7:00 AM

Mostly sunny

72° 💧 None 💨 3 mph H 60%29.88 inHg

1:00 PM

Partly cloudy

67° 💧 None 💨 3 mph H 63%29.91 inHg

7:00 PM

Clear night

89° 💧 None 💨 5 mph H 27%29.88 inHg

Tuesday

1:00 AM

Clear night

80° 💧 None 💨 4 mph H 41%29.83 inHg

7:00 AM

Sunny

71° 💧 None 💨 4 mph H 57%29.85 inHg

1:00 PM

Sunny

67° 💧 None 💨 3 mph H 65%29.88 inHg

7:00 PM

Clear night

91° 💧 None 💨 2 mph H 29%29.88 inHg

Wednesday

1:00 AM

Mostly clear night

80° 💧 None 💨 3 mph H 41%29.83 inHg

7:00 AM

Mostly sunny

72° 💧 None 💨 5 mph H 51%29.88 inHg

1:00 PM

Mostly sunny

68° 💧 None 💨 5 mph H 56%29.88 inHg

7:00 PM

Partly cloudy night

91° 💧 None 💨 5 mph H 33%29.91 inHg

Thursday

1:00 AM

Overcast night

84° 💧 None 💨 7 mph H 41%29.85 inHg

7:00 AM

Overcast

75° 💧 None 💨 4 mph H 69%29.94 inHg

1:00 PM

Overcast

71° 💧 None 💨 7 mph H 88%29.97 inHg

7:00 PM

Overcast night

88° 💧 None 💨 11 mph H 43%29.94 inHg

Friday

1:00 AM

Overcast night

83° 💧 None 💨 6 mph H 45%29.94 inHg

7:00 AM

Overcast

76° 💧 None 💨 8 mph H 75%29.97 inHg

1:00 PM

Overcast

73° 💧 None 💨 9 mph H 80%30.00 inHg

7:00 PM

Moderate rain

73° 💧 None 💨 9 mph H 97%30.00 inHg

Saturday

1:00 AM

Moderate rain

73° 💧 None 💨 10 mph H 98%29.97 inHg

7:00 AM

Overcast

72° 💧 None 💨 6 mph H 99%29.97 inHg

1:00 PM

Light rain

72° 💧 None 💨 9 mph H 98%29.97 inHg

7:00 PM

Light rain

76° 💧 None 💨 9 mph H 87%30.00 inHg

Sunday

1:00 AM

Light rain

73° 💧 None 💨 5 mph H 99%29.97 inHg

7:00 AM

Light rain

73° 💧 None 💨 5 mph H 99%29.97 inHg

1:00 PM

Overcast

72° 💧 None 💨 5 mph H 99%29.97 inHg

7:00 PM

Overcast night

82° 💧 None 💨 8 mph H 75%29.97 inHg

Monday

1:00 AM

Overcast night

74° 💧 None 💨 4 mph H 98%29.97 inHg

7:00 AM

Sunny

72° 💧 None 💨 4 mph H 99%29.97 inHg

1:00 PM

Overcast

70° 💧 None 💨 3 mph H 100%30.00 inHg

7:00 PM

Mostly clear night

86° 💧 None 💨 6 mph H 54%30.00 inHg

Tuesday

1:00 AM

Mostly clear night

77° 💧 None 💨 8 mph H 81%29.97 inHg

7:00 AM

Mostly sunny

72° 💧 None 💨 2 mph H 96%29.97 inHg

1:00 PM

Sunny

69° 💧 None 💨 2 mph H 98%30.00 inHg

7:00 PM

Mostly clear night

85° 💧 None 💨 6 mph H 61%29.97 inHg

Wednesday

1:00 AM

Partly cloudy night

74° 💧 None 💨 5 mph H 96%29.94 inHg

In Union and, more broadly, across the state of Mississippi: The morning begins with a mix of sun and clouds, bringing warm conditions that are expected to continue into the afternoon. Temperatures will climb into the high 80s and low 90s, making for a hot day. Light west winds will blow at around 4 mph, with occasional gusts reaching up to 11 mph. There is a possibility of rain, with some areas receiving around 0.36 inches of accumulation, and the maximum probability of rain is about 76%. Overall, it should be a warm day with a chance of some showers, so it’s a good idea to carry an umbrella if you plan to be outdoors.

15-Day Weather Outlook for Union

TomorrowTomorrow

Mostly sunny 91°/72° 💧 None 💨 7 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 88°/69° 💧 None 💨 8 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 88°/67° 💧 0.013 in 💨 6 mph

Saturday, Sep 26Sat Sep 26

Partly cloudy 89°/67° 💧 None 💨 4 mph

Sunday, Sep 27Sun Sep 27

Partly cloudy 93°/69° 💧 None 💨 6 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 89°/67° 💧 0.016 in 💨 5 mph

Tuesday, Sep 29Tue Sep 29

Sunny 91°/67° 💧 None 💨 4 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 91°/68° 💧 None 💨 5 mph

Thursday, Oct 1Thu Oct 1

Overcast 88°/71° 💧 0.002 in 💨 11 mph

Friday, Oct 2Fri Oct 2

Moderate rain 83°/73° 💧 0.246 in 💨 9 mph

Saturday, Oct 3Sat Oct 3

Moderate rain 76°/72° 💧 0.714 in 💨 10 mph

Sunday, Oct 4Sun Oct 4

Light rain 82°/72° 💧 0.410 in 💨 8 mph

Monday, Oct 5Mon Oct 5

Overcast 86°/70° 💧 0.084 in 💨 6 mph

Tuesday, Oct 6Tue Oct 6

Mostly sunny 85°/69° 💧 0.001 in 💨 8 mph

Wednesday, Oct 7Wed Oct 7

Partly cloudy 74°/74° 💧 0.107 in 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Union

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Union

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 1:00 PM

PM2.5 Fine particles Good 4,6µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 5,6µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 93,2µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Union

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 7,9High 🙂Fair

Tomorrow UV 8,4Very high 🙂Fair

Thursday UV 7,8High 🙂Fair

Friday UV 7,7High 🙂Fair

Saturday UV 6,0High 🙂Fair

Sunday UV 7,0High —Unavailable

Monday UV 6,0High —Unavailable

Hourly UV index today

1:00 PMUV 7,9 2:00 PMUV 7,1 3:00 PMUV 5,2 4:00 PMUV 3,0 5:00 PMUV 1,2 6:00 PMUV 0,3 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Union

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · UNION, MISSISSIPPI

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 8:15 PM–5:23 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 72° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min75%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Union were last refreshed today at 12:19 PM. The current forecast period extends through 24/09/2026 at 10:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.