| NWS Forecast for: Fountain Hills/East Mesa Issued by: National Weather Service Phoenix, AZ Last Update: 1130 PM MST Sun Sep 20 2026 |  |
| Tonight: Mostly cloudy. Lows 68 to 78. Northeast wind around 5 mph. Monday: Considerable cloudiness in the morning then becoming partly cloudy. Highs 95 to 100. Southeast wind around 5 mph in the morning becoming south 5 to 10 mph in the afternoon. Monday Night: Partly cloudy in the evening then becoming mostly clear. Lows 66 to 76. Southeast wind around 5 mph in the evening becoming light after midnight. Tuesday: Mostly sunny in the morning then becoming partly sunny. Highs 93 to 98. Southeast wind 5 to 10 mph. Tuesday Night: Partly cloudy. Lows 68 to 78. East wind 10 to 15 mph. Wednesday: Partly sunny. Highs 91 to 97. Wednesday Night: Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 70 to 77. Thursday: Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 91 to 97. Thursday Night: Partly cloudy. A chance of showers and a slight chance of thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Lows 69 to 76. Chance of rain 30 percent. Friday: Mostly sunny. Highs 92 to 98. Friday Night: Mostly clear. Lows 71 to 78. Saturday: Partly sunny and warmer. Highs 97 to 103. Saturday Night: Partly cloudy. Lows 72 to 78. Sunday: Partly sunny. A slight chance of showers in the morning, then a slight chance of afternoon showers and thunderstorms. Not as warm. Highs 91 to 97. Chance of rain 10 percent. | |
| Zone Forecast: Fountain Hills/East Mesa | |
Visit your local NWS office at: https://www.weather.gov/psr |