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Tucson, AZ

Updated: 18-Aug-2025 8:35am

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National Weather Service Forecast for: 3 Miles NW South Tucson, AZ
Issued by: National Weather Service NWS Tucson Arizona

Updated: 08/18/2025 4:17am

Tucson

	Monday Mostly Sunny then Slight Chance Showers And T-Storms	Tuesday Chance Showers And T-Storms	Wednesday Chance Showers And T-Storms	Thursday Sunny then Slight Chance Showers And T-Storms	Friday Slight Chance Showers And T-Storms	Saturday Slight Chance Showers And T-Storms	Sunday Slight Chance Showers And T-Storms
	Hi 102 °F	Hi 105 °F	Hi 107 °F	Hi 108 °F	Hi 107 °F	Hi 106 °F	Hi 105 °F

Overnight Partly Cloudy	Monday Night Slight Chance Showers And T-Storms then Partly Cloudy	Tuesday Night Chance Showers And T-Storms	Wednesday Night Chance Showers And T-Storms then Mostly Clear	Thursday Night Slight Chance Showers And T-Storms then Mostly Clear	Friday Night Slight Chance Showers And T-Storms	Saturday Night Slight Chance Showers And T-Storms then Mostly Clear
Lo 78 °F	Lo 80 °F	Lo 83 °F	Lo 83 °F	Lo 82 °F	Lo 82 °F	Lo 81 °F

Extreme Heat Watch

Overnight	Partly cloudy, with a low around 78. South wind around 3 mph.
Monday	A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 102. West northwest wind 2 to 9 mph.
Monday Night	A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 80. South wind 2 to 8 mph.
Tuesday	A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 105. Heat index values as high as 104. West wind 2 to 8 mph. Chance of precipitation is 30%.
Tuesday Night	A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 83. East northeast wind around 6 mph. Chance of precipitation is 30%.
Wednesday	A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 107. Chance of precipitation is 30%.
Wednesday Night	A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm. Mostly clear, with a low around 83. Chance of precipitation is 30%.
Thursday	A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 108. Chance of precipitation is 20%.
Thursday Night	A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 82. Chance of precipitation is 20%.
Friday	A slight chance of showers and thunderstorms after 11am. Sunny, with a high near 107. Chance of precipitation is 20%.
Friday Night	A slight chance of showers and thunderstorms before 5am. Partly cloudy, with a low around 82. Chance of precipitation is 20%.
Saturday	A slight chance of showers and thunderstorms after 11am. Sunny, with a high near 106. Chance of precipitation is 20%.
Saturday Night	A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 81. Chance of precipitation is 20%.
Sunday	A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 105.

Forecast from NOAA-NWS for 3 Miles NW South Tucson, AZ.