West Mifflin, PA Weather Forecast | 5 Day
Updated: Sun Jun 14th 2026 12:00 AM EDT
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Test our newly developed Weather Chatbot. It provides up to 10 days of forecast information!Moderate Rain
Sun 6-14-26
Moderate Rain with a high of 80°F and a low of 58°F. Rainfall expected to have a 73% chance with an estimated 0.3in. Wind will be moderate, blowing around 15mph on average and gusts of 23.5mph at 7 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 98% at 5 PM and 53% being its lowest at 9 AM. Barometric pressure is its highest of 29.96inHg at 1 AM, a lowest point of 29.66inHg at 7 PM with an avg 29.8inHg.
- HI: 80°F
- LO: 58°F
- Rainfall: 73% | est. 0.3in
- Snowfall: 0%
- Wind
14.8 mph - Humidity
77% avg. - UV Index
1.9 - Air QualityGood
- Sunrise
05:48 AM - Sunset
08:50 PM - Moonrise
04:34 AM - Moonset
08:42 PM - Moon Phase
New Moon
Scattered Showers
Weather Tomorrow, Mon 6-15-26
Scattered Showers with a high of 69°F and a low of 52°F. There might be light rainfall having a 25% chance with an estimated 0.01in. Winds will be light at 10mph and gusts of 11.8mph at 9 AM. The humidity will be on the higher side, averaging about 71%, the maximum being 99% at 2 AM and 41% being its lowest at 5 PM. Barometric pressure is its highest of 29.95inHg at 9 AM, a lowest point of 29.83inHg at 12 AM with an avg 29.9inHg.
- HI: 69°F
- LO: 52°F
- Rainfall: 25% | est. 0.01in
- Snowfall: 0%
- Wind
9.6 mph - Humidity
71% avg. - UV Index
8.4 - Air QualityGood
- Sunrise
05:48 AM - Sunset
08:51 PM - Moonrise
05:33 AM - Moonset
09:47 PM - Moon Phase
New Moon
Partly Cloudy
Tue 6-16-26
Partly Cloudy with a high of 74°F and a low of 53°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 9mph and gusts of 9.3mph at 1 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 74% at 12 AM and 39% being its lowest at 3 PM. Barometric pressure is its highest of 29.94inHg at 12 AM, a lowest point of 29.74inHg at 7 PM with an avg 29.84inHg.
- HI: 74°F
- LO: 53°F
- Rainfall: 5%
- Snowfall: 0%
- Wind
8.1 mph - Humidity
60% avg. - UV Index
7.6 - Air QualityGood
- Sunrise
05:48 AM - Sunset
08:51 PM - Moonrise
06:44 AM - Moonset
10:41 PM - Moon Phase
Waxing Crescent
Scattered Showers
Wed 6-17-26
Scattered Showers with a high of 76°F and a low of 57°F. Rainfall expected to have a 57% chance with an estimated 0.05in. Wind will be moderate, blowing around 14mph on average and gusts of 15.3mph at 1 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 98% at 7 AM and 41% being its lowest at 4 PM. Barometric pressure is its highest of 29.76inHg at 12 PM, a lowest point of 29.7inHg at 5 AM with an avg 29.73inHg.
- HI: 76°F
- LO: 57°F
- Rainfall: 57% | est. 0.05in
- Snowfall: 0%
- Wind
13.2 mph - Humidity
68% avg. - UV Index
7.1 - Air QualityGood
- Sunrise
05:49 AM - Sunset
08:51 PM - Moonrise
08:03 AM - Moonset
11:23 PM - Moon Phase
Waxing Crescent
Heavy Rain
Thu 6-18-26
Heavy Rain with a high of 71°F and a low of 66°F. It will likey rain, having a 91% chance of a downpour with an estimated 1.06in. Wind will be moderate, blowing around 19mph on average and gusts of 30.1mph at 6 AM. High humidity with average of 94% is anticipated, the maximum being 98% at 4 AM and 78% being its lowest at 12 AM. Barometric pressure is its highest of 29.8inHg at 11 PM, a lowest point of 29.56inHg at 5 AM with an avg 29.67inHg.
- HI: 71°F
- LO: 66°F
- Rainfall: 91% | est. 1.06in
- Snowfall: 0%
- Wind
18.1 mph - Humidity
94% avg. - UV Index
0.3 - Air QualityGood
- Sunrise
05:49 AM - Sunset
08:52 PM - Moonrise
09:23 AM - Moonset
11:57 PM - Moon Phase
Waxing Crescent
Moderate Rain
Fri 6-19-26
Moderate Rain with a high of 74°F and a low of 58°F. It will likey rain, having a 83% chance of a downpour with an estimated 0.38in. Wind will be moderate, blowing around 11mph on average and gusts of 13.4mph at 12 AM. High humidity with average of 84% is anticipated, the maximum being 99% at 4 AM and 64% being its lowest at 5 PM. Barometric pressure is its highest of 29.83inHg at 11 PM, a lowest point of 29.68inHg at 5 AM with an avg 29.72inHg.
- HI: 74°F
- LO: 58°F
- Rainfall: 83% | est. 0.38in
- Snowfall: 0%
- Wind
10.1 mph - Humidity
84% avg. - UV Index
4 - Air QualityTBA
- Sunrise
05:49 AM - Sunset
08:52 PM - Moonrise
10:41 AM - Moonset
Does not set today - Moon Phase
Waxing Crescent
This 5-Day weather forecast is relevant for ZIP codes 15122 and 15123, accurately covering areas of West Mifflin, PA.
Currently
| 71°F |
29.96 inHg.
Barometer 63%
Humidity S 7.2 mph Wind |
|
| Clear | ||
National Outlook
Severe Storms Hit Central U.S. with Heat Building in the Pacific Northwest 06-13 to 06-14
Sat Jun 13th 2026, 11:19am PDT
Read
Expect Major Heat with Heavy Rains Threat in Some Areas - 06-16 to 06-20
Extended Forecast
Sat Jun 13th 2026, 11:19am PDT
Read
Sat Jun 13th 2026, 11:19am PDT

