Mercer, TN Weather Forecast | 5 Day
Updated: Wed Jul 9th 2025 5:15 PM CDT
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Moderate Rain
Wed 7-9-25
Moderate Rain with a high of 77°F and a low of 71°F. It will likey rain, having a 79% chance of a downpour with an estimated 0.52in. Winds will be light at 8mph and gusts of 10.3mph at 6 PM. High humidity with average of 94% is anticipated, the maximum being 100% at 10 PM and 88% being its lowest at 6 PM. Barometric pressure is its highest of 30.02inHg at 6 PM, a lowest point of 29.99inHg at 11 PM with an avg 30inHg.
- HI: 77°F
- LO: 71°F
- Rainfall: 79% | est. 0.52in
- Snowfall: 0%
- Wind
7.2 mph - Humidity
94% avg. - UV Index
2.3 - Air QualityModerate
- Sunrise
05:48 AM - Sunset
08:14 PM - Moonrise
07:51 PM - Moonset
04:14 AM - Moon Phase
Waxing Gibbous

Fog
Weather Tomorrow, Thu 7-10-25
Fog with a high of 90°F and a low of 66°F. Winds will be light at 7mph and gusts of 13.6mph at 11 PM. High humidity with average of 84% is anticipated, the maximum being 99% at 12 AM and 62% being its lowest at 4 PM. Barometric pressure is its highest of 30.03inHg at 9 AM, a lowest point of 29.93inHg at 11 PM with an avg 29.99inHg.
- HI: 90°F
- LO: 66°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
6.5 mph - Humidity
84% avg. - UV Index
2.8 - Air QualityModerate
- Sunrise
05:49 AM - Sunset
08:13 PM - Moonrise
08:37 PM - Moonset
05:13 AM - Moon Phase
Full Moon

Partly Cloudy
Fri 7-11-25
Partly Cloudy with a high of 95°F and a low of 74°F. Winds will be light at 9mph and gusts of 17.4mph at 9 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 94% at 6 AM and 60% being its lowest at 1 PM. Barometric pressure is its highest of 30.02inHg at 10 PM, a lowest point of 29.96inHg at 11 PM with an avg 29.99inHg.
- HI: 95°F
- LO: 74°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
8.3 mph - Humidity
80% avg. - UV Index
2.8 - Air QualityModerate
- Sunrise
05:49 AM - Sunset
08:13 PM - Moonrise
09:17 PM - Moonset
06:17 AM - Moon Phase
Waning Gibbous

Moderate Rain
Sat 7-12-25
Moderate Rain with a high of 96°F and a low of 73°F. It will likey rain, having a 86% chance of a downpour with an estimated 0.26in. Wind will be moderate, blowing around 11mph on average and gusts of 16.3mph at 7 AM. High humidity with average of 81% is anticipated, the maximum being 95% at 6 AM and 59% being its lowest at 3 PM. Barometric pressure is its highest of 30.09inHg at 9 AM, a lowest point of 29.98inHg at 6 PM with an avg 30.03inHg.
- HI: 96°F
- LO: 73°F
- Rainfall: 86% | est. 0.26in
- Snowfall: 0%
- Wind
10.7 mph - Humidity
81% avg. - UV Index
2.9 - Air QualityGood
- Sunrise
05:50 AM - Sunset
08:13 PM - Moonrise
09:51 PM - Moonset
07:25 AM - Moon Phase
Waning Gibbous

Scattered Showers
Sun 7-13-25
Scattered Showers with a high of 90°F and a low of 71°F. It will likey rain, having a 87% chance of a downpour with an estimated 0.03in. Winds will be light at 10mph and gusts of 14.2mph at 6 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 93% at 2 AM and 59% being its lowest at 4 PM. Barometric pressure is its highest of 30.09inHg at 11 AM, a lowest point of 30inHg at 7 PM with an avg 30.04inHg.
- HI: 90°F
- LO: 71°F
- Rainfall: 87% | est. 0.03in
- Snowfall: 0%
- Wind
9.2 mph - Humidity
79% avg. - UV Index
0.1 - Air QualityGood
- Sunrise
05:51 AM - Sunset
08:12 PM - Moonrise
10:21 PM - Moonset
08:31 AM - Moon Phase
Waning Gibbous

Scattered Showers
Mon 7-14-25
Scattered Showers with a high of 92°F and a low of 74°F. It will likey rain, having a 82% chance of a downpour with an estimated 0.01in. Winds will be light at 8mph and gusts of 10.8mph at 1 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 90% at 6 AM and 55% being its lowest at 4 PM. Barometric pressure is its highest of 30.09inHg at 7 AM, a lowest point of 30inHg at 7 PM with an avg 30.05inHg.
- HI: 92°F
- LO: 74°F
- Rainfall: 82% | est. 0.01in
- Snowfall: 0%
- Wind
7.2 mph - Humidity
76% avg. - UV Index
6 - Air QualityTBA
- Sunrise
05:51 AM - Sunset
08:12 PM - Moonrise
10:49 PM - Moonset
09:39 AM - Moon Phase
Waning Gibbous
This 5-Day weather forecast is valid for ZIP code 38392, accurately covering the area of Mercer, TN.
Currently
![]() |
81°F |
30.01 inHg.
Barometer 77%
Humidity W 10.1 mph Wind |
Light Rain |
National Outlook
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Wed Jul 9th 2025, 8:45am PDT
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Extended Forecast
Wed Jul 9th 2025, 8:47am PDT
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Wed Jul 9th 2025, 8:47am PDT