Lewisville, TX Weather Forecast | 5 Day
Updated: Sat May 16th 2026 2:30 PM CDT
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Sat 5-16-26
Sunny with a high of 92°F and a low of 71°F. Wind will be moderate, blowing around 20mph on average and gusts of 26.4mph at 11 PM. The humidity will be on the higher side, averaging about 62%, the maximum being 62% at 11 PM and 43% being its lowest at 5 PM. Barometric pressure is its highest of 29.8inHg at 3 PM, a lowest point of 29.74inHg at 6 PM with an avg 29.77inHg.
- HI: 92°F
- LO: 71°F
- Rainfall: 0% | est. 0in
- Snowfall: 0%
- Wind
19.9 mph - Humidity
62% avg. - UV Index
9.1 - Air QualityGood
- Sunrise
06:27 AM - Sunset
08:21 PM - Moonrise
05:55 AM - Moonset
08:43 PM - Moon Phase
New Moon
Scattered Showers
Weather Tomorrow, Sun 5-17-26
Scattered Showers with a high of 87°F and a low of 74°F. It will likey rain, having a 88% chance of a downpour with an estimated 0.01in. Winds will be strong at speeds peaking at 25mph and gusts of 35.6mph at 9 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 83% at 4 AM and 52% being its lowest at 10 PM. Barometric pressure is its highest of 29.82inHg at 10 AM, a lowest point of 29.68inHg at 9 PM with an avg 29.75inHg.
- HI: 87°F
- LO: 74°F
- Rainfall: 88% | est. 0.01in
- Snowfall: 0%
- Wind
24.2 mph - Humidity
66% avg. - UV Index
7.3 - Air QualityGood
- Sunrise
06:27 AM - Sunset
08:22 PM - Moonrise
06:45 AM - Moonset
09:58 PM - Moon Phase
Waxing Crescent
Scattered Showers
Mon 5-18-26
Scattered Showers with a high of 91°F and a low of 76°F. It will likey rain, having a 89% chance of a downpour with an estimated 0.05in. Winds will be strong at speeds peaking at 23mph and gusts of 31.2mph at 9 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 82% at 4 AM and 47% being its lowest at 3 PM. Barometric pressure is its highest of 29.85inHg at 8 AM, a lowest point of 29.74inHg at 12 AM with an avg 29.8inHg.
- HI: 91°F
- LO: 76°F
- Rainfall: 89% | est. 0.05in
- Snowfall: 0%
- Wind
22.6 mph - Humidity
65% avg. - UV Index
7.7 - Air QualityGood
- Sunrise
06:26 AM - Sunset
08:23 PM - Moonrise
07:46 AM - Moonset
11:07 PM - Moon Phase
Waxing Crescent
Scattered Showers
Tue 5-19-26
Scattered Showers with a high of 86°F and a low of 74°F. It will likey rain, having a 86% chance of a downpour with an estimated 0.18in. Winds will be strong at speeds peaking at 21mph and gusts of 30mph at 12 AM. The humidity will be on the higher side, averaging about 73%, the maximum being 86% at 11 PM and 58% being its lowest at 7 PM. Barometric pressure is its highest of 29.95inHg at 1 PM, a lowest point of 29.84inHg at 4 AM with an avg 29.9inHg.
- HI: 86°F
- LO: 74°F
- Rainfall: 86% | est. 0.18in
- Snowfall: 0%
- Wind
20.8 mph - Humidity
73% avg. - UV Index
6 - Air QualityGood
- Sunrise
06:26 AM - Sunset
08:23 PM - Moonrise
08:54 AM - Moonset
No moonset - Moon Phase
Waxing Crescent
Heavy Rain
Wed 5-20-26
Heavy Rain with a high of 82°F and a low of 70°F. It will likey rain, having a 85% chance of a downpour with an estimated 1.21in. Wind will be moderate, blowing around 14mph on average and gusts of 27.4mph at 12 AM. High humidity with average of 86% is anticipated, the maximum being 96% at 4 AM and 67% being its lowest at 2 PM. Barometric pressure is its highest of 30.01inHg at 9 AM, a lowest point of 29.92inHg at 7 PM with an avg 29.97inHg.
- HI: 82°F
- LO: 70°F
- Rainfall: 85% | est. 1.21in
- Snowfall: 0%
- Wind
13.9 mph - Humidity
86% avg. - UV Index
0.1 - Air QualityGood
- Sunrise
06:25 AM - Sunset
08:24 PM - Moonrise
10:07 AM - Moonset
12:05 AM - Moon Phase
Waxing Crescent
Scattered Showers
Thu 5-21-26
Scattered Showers with a high of 77°F and a low of 67°F. It will likey rain, having a 82% chance of a downpour with an estimated 0.07in. Winds will be light at 10mph and gusts of 12.4mph at 7 PM. High humidity with average of 84% is anticipated, the maximum being 94% at 7 AM and 68% being its lowest at 4 PM. Barometric pressure is its highest of 30.02inHg at 1 PM, a lowest point of 29.9inHg at 7 PM with an avg 29.98inHg.
- HI: 77°F
- LO: 67°F
- Rainfall: 82% | est. 0.07in
- Snowfall: 0%
- Wind
9.2 mph - Humidity
84% avg. - UV Index
5 - Air QualityTBA
- Sunrise
06:24 AM - Sunset
08:25 PM - Moonrise
11:19 AM - Moonset
12:53 AM - Moon Phase
Waxing Crescent
This 5-Day weather forecast is relevant for ZIP codes 75029, 75057, 75067, and 75077, accurately covering areas of Lewisville, TX.
Currently
| 85°F |
29.85 inHg.
Barometer 48%
Humidity S 29.5 mph Wind |
|
| Sunny | ||
National Outlook
Severe Thunderstorms & Spring Snows Hit Midwest and Northern Rockies - 05-16 to 05-18
Sat May 16th 2026, 6:37am PDT
Read
Spring Storms and East Coast Heatwave - 05-19 to 05-23
Extended Forecast
Sat May 16th 2026, 6:39am PDT
Read
Sat May 16th 2026, 6:39am PDT

