Extreme Heat Watch EXTREME HEAT WATCH - Pima County  - Tucson/Green Valley

NWS Tucson, Arizona Regional Radar WU South West Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 15-Aug-2026 1:00am - next update at 1:05am   updated
Summary / Temperature Wind Rain Cloud Height
Clear Clear
Currently: 81.5, Max: 82.3, Min: 81.3 81.5°F
Temp Trend Colder 0.8°F than last hour.

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Feels like: 93.4°F

24-hr difference
3.9°FWarmer 3.9°F than yesterday at this time.
  Today Yesterday
High: 82.3°F
12:00am
99.1°F
2:40pm
Low: 81.3°F
12:41am
75.1°F
6:05am
Fire
Davis VP2 Status
ICN:1 | ISS:Ok | CON:4.7 | RCP:100%
Indoor Temp and Humidity
Indoor Temp: 81.1°F
Indoor Humidity: 50 %
 Calm NNE
0
Gust:
0 mph
0 Bft - Calm
Max Gust: 2.3 mph  12:53 AM
1Hr Average: Calm
Max Gust
This Month:
26.0 mph
on  Aug 3
Wind Run: 0.02 miles
Wind Year: 8317.87 miles
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 1.59 in
Season Total: 4.93 in
Last Rain
Time/Date:
8/13/2026
at 2:34 AM
34 rain days in 2026
6 rain days in August
Humidity & Barometer Almanac Sun/Moon
Humidity: 59 % Increased 5.0% since last hour.
High Humidity
Today:
59%
at 12:26 AM
Low Humidity
Today:
54%
at 12:00 AM
Barometer: 29.866 inHg  
Baro Trend: Steady
Dew Point: 65.8°F Increased 1.7°F since last hour.
Wet Bulb: 71.3
Sunrise: 5:48am
Sunset: 7:09pm
Moonrise: 8:52am
Moonset: 8:21pm
Full Moon: Thu, 27-Aug-2026 9:19pm MST
New moon: Thu, 10-Sep-2026 8:28pm MST
Sunlight:
Today:13 h 20 m 19 s
(Noon)
graph
(Midnight)
Waxing Crescent
Waxing Crescent, Moon at 2 days in cycle
7%
Illuminated
UV Summary/Forecast Solar Summary Air Quality
High Yest:   11.5 @ 12:51 PM
Aug-15

9.5
Aug-16

10.5
Aug-17

10.7
High Yest:   1086.0 @ 12:52 PM
Today: 00:00 Hrs
Month: 104:08 Hrs
55
  Moderate
Averages / Records
Average Temperatures This Date Record Temperatures This Date
Average High
99°F
Average Low
75°F
Record High
110°F (2015)
Record Low
63°F (1913 & 1918)
 NWS Weather Forecast  - Outlook: Overnight & Saturday
Overnight

Overnight: Mostly Clear
Mostly Clear

Lo 77 °F
NWS forecast: Mostly clear, with a low around 77. Northeast wind around 5 mph.
Davis VP+ forecast: Mostly clear. Lows 70 to 76. South wind around 5 mph.
 
Saturday

Saturday: Sunny
Sunny

Hi 102 °F
NWS forecast: Sunny, with a high near 102. Heat index values as high as 100. South southwest wind 2 to 7 mph.
NWS Short Term Weather Forecast
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy

Lo 79 °F
Sunday

Sunday: Sunny
Sunny

Hi 103 °F
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy

Lo 81 °F
Monday

Monday: Sunny
Sunny

Hi 106 °F
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy

Lo 84 °F
Tuesday

Tuesday: Sunny then Slight Chance Showers And Thunderstorms
Sunny then Slight Chance Showers And T-Storms

Hi 106 °F
Tuesday
Night
Tuesday Night: Slight Chance Showers And Thunderstorms then Mostly Clear
Slight Chance Showers And T-Storms then Mostly Clear

Lo 84 °F
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