Air Quality Alert AIR QUALITY ALERT - 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: @ 20-May-2026 3:45pm - next update at 3:50pm   updated
Summary / Temperature Wind Rain Cloud Height
Clear Clear
Currently: 91.9, Max: 91.9, Min: 60.2 91.9°F
Temp Trend Warmer 0.8°F than last hour.

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Feels like: 88.0°F

24-hr difference
0.9°FWarmer 0.9°F than yesterday at this time.
  Today Yesterday
High: 91.9°F
3:44pm
92.7°F
2:45pm
Low: 60.2°F
5:47am
59.6°F
5:39am
Fire
Davis VP2 Status
ICN:0 | ISS:Ok | CON:4.7 | RCP:99%
Indoor Temp and Humidity
Indoor Temp: 83.6°F
Indoor Humidity: 22 %
 Wind from SW SW
3.6
Gust:
4 mph
1 Bft - Light Breeze
Max Gust: 13 mph  2:05 PM
1Hr Average: 3.2 mph
Max Gust
This Month:
22.0 mph
on  May 17
Wind Run: 19.67 miles
Wind Year: 4609.89 miles
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 0.23 in
Season Total: 2.12 in
Last Rain
Time/Date:
5/5/2026
at 4:12 AM
17 rain days in 2026
2 rain days in May
Humidity & Barometer Almanac Sun/Moon
Humidity: 12 % Decreased 1.0% since last hour.
High Humidity
Today:
35%
at 4:19 AM
Low Humidity
Today:
10%
at 1:46 PM
Barometer: 29.683 inHg Falling 0.02  inHg/hr
Baro Trend: Falling slowly
Dew Point: 32°F Decreased 1.3°F since last hour.
Wet Bulb: 62.4
Sunrise: 5:22am
Sunset: 7:18pm
Moonrise: 9:07am
Moonset: 10:59pm
Full Moon: Sun, 31-May-2026 1:46am MST
New moon: Sun, 14-Jun-2026 7:55pm MST
Sunlight:
Today:13 h 56 m 7 s
(Noon)
graph
(Midnight)
Waxing Crescent
Waxing Crescent, Moon at 4 days in cycle
21%
Illuminated
Current UV Index Current Solar Energy Air Quality
4.1
Sunburn in
27 Minutes
Highest:
12:03 PM
9.6
775 W/m2
100 %
W/m2 SI
Highest:
11:42 AM
1093
100
  Moderate
Averages / Records
Average Temperatures This Date Record Temperatures This Date
Average High
93°F
Average Low
63°F
Record High
105°F (2005)
Record Low
39°F (1902)
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Mostly Sunny
Mostly Sunny

Hi 91 °F
NWS forecast: Mostly sunny, with a high near 91. West southwest wind around 13 mph.
Davis VP+ forecast: Partly cloudy. Lows 56 to 62. West wind 10 to 15 mph becoming south after midnight.
 
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 61 °F
NWS forecast: Partly cloudy, with a low around 61. North wind 3 to 13 mph.
NWS Short Term Weather Forecast
Thursday

Thursday: Sunny
Sunny

Hi 92 °F
Thursday
Night
Thursday Night: Clear
Clear

Lo 63 °F
Friday

Friday: Sunny
Sunny

Hi 93 °F
Friday
Night
Friday Night: Mostly Clear
Mostly Clear

Lo 64 °F
Saturday

Saturday: Sunny
Sunny

Hi 93 °F
Saturday
Night
Saturday Night: Clear
Clear

Lo 65 °F
Sunday

Sunday: Sunny
Sunny

Hi 96 °F
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