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 Details for Tucson/Green Valley Air Quality Alert
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 Details for Pima County Air Quality Alert

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National
High Temp
100°F at Eastover Mcentire Ang, SC
 
Low Temp
17°F at Rawlins Ap, WY
 
Precipitation
3.77in at Angleton Lake Jackson Brazoria County Ap, TX
 
AZ
High Temp
95°F at Yuma Mcas, AZ
 
Low Temp
25°F at Grand Canyon, AZ
 
Precipitation
none
 
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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: @ 21-May-2026 11:45am - next update at 11:50am   updated
Summary / Temperature Wind Rain Cloud Height
Clear Clear
Currently: 89.4, Max: 89.7, Min: 61.0 89.4°F
Temp Trend Warmer 2.6°F than last hour.

---

Feels like: 85.5°F

24-hr difference
3.7°FWarmer 3.7°F than yesterday at this time.
  Today Yesterday
High: 89.7°F
11:43am 		92.5°F
3:46pm
Low: 61°F
5:46am 		60.2°F
5:47am
Fire
Davis VP2 Status
ICN:0 | ISS:Ok | CON:4.7 | RCP:99%
Indoor Temp and Humidity
Indoor Temp: 81.7°F
Indoor Humidity: 22 %
Wind from SSW SSW
2.6
Gust:
 1 mph
1 Bft - Light Air
Max Gust: 11.5 mph  10:41 AM
1Hr Average: 2.7 mph
Max Gust
This Month: 		56.0 mph
on  May 20
Wind Run: 13.13 miles
Wind Year: 4645.14 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: 13 % Decreased 3.0% since last hour.
High Humidity
Today:		 36%
at 1:54 AM
Low Humidity
Today:		 13%
at 11:23 AM
Barometer: 29.743 inHg Falling 0.02 inHg/hr
Baro Trend: Falling slowly
Dew Point: 32.1°F Decreased 2.9°F since last hour.
Wet Bulb: 61.4
Sunrise: 5:22am
Sunset: 7:18pm
Moonrise: 10:20am
Moonset: 11:47pm
Full Moon: Sun, 31-May-2026 1:46am MST
New moon: Sun, 14-Jun-2026 7:55pm MST
Sunlight:
Today:13 h 57 m 21 s
 (Noon)
graph
(Midnight)
Waxing Crescent
Waxing Crescent, Moon at 5 days in cycle
29%
Illuminated
Current UV Index Current Solar Energy Air Quality
9.3
Sunburn in
12 Minutes 		Highest:
11:43 AM
9.3
1004 W/m2
95 %
W/m2 ⇒ SI 		Highest:
11:44 AM
1004
49
Good
Averages / Records
Average Temperatures This Date Record Temperatures This Date
Average High
94°F		 Average Low
63°F		 Record High
107°F (2005)		 Record Low
42°F (1899)
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Sunny
Sunny

Hi 92 °F		 NWS forecast: Sunny, with a high near 92. Southwest wind 5 to 10 mph.
Davis VP+ forecast: Sunny. Highs 86 to 92. Southwest wind around 10 mph.
 
Tonight

Tonight: Clear
Clear

Lo 63 °F		 NWS forecast: Clear, with a low around 63. North northwest wind 5 to 9 mph.
NWS Short Term Weather Forecast
Friday

Friday: Sunny
Sunny

Hi 93 °F 		Friday
Night
Friday Night: Clear
Clear

Lo 64 °F 		Saturday

Saturday: Sunny
Sunny

Hi 94 °F 		Saturday
Night
Saturday Night: Clear
Clear

Lo 66 °F 		Sunday

Sunday: Sunny
Sunny

Hi 97 °F 		Sunday
Night
Sunday Night: Mostly Clear then Slight Chance Rain Showers
Mostly Clear then Slight Chance Rain Showers

Lo 67 °F 		Memorial
Day
Memorial Day: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Hi 97 °F
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