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 Details for Tucson/Green Valley Flood Watch
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 Details for Mt Lemmon/ Summerhaven Flood Watch
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 Details for Pima County Flood Watch  +1 additional alert

USA Extremes

 
National
High Temp
111°F at Desert Resorts Regional Ap, CA
 
Low Temp
14°F at Fritzsche Aaf, CA
 
Precipitation
4.51in at Cameron Municipal Airport, TX
 
AZ
High Temp
110°F at Yuma Mcas, AZ
 
Low Temp
53°F at Flagstaff Ap, AZ
53°F at Grand Canyon, AZ
 
Precipitation
0.77in at Nogales Intl Ap, AZ
 
Data courtesy of NWS-CPC
 

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Local Station History
 Since: December 7, 2011

Updated: @ 15-Jul-2026 1:40pm - next update at 1:45pm  
Measurement: Current: Yesterday Month / MTD Year / YTD Station Record
Temperature: Warmer 2.9°F than last hour.
Thermometer Average:
Maximum
Temperature:
Minimum
Temperature:
104.8°F
90.3°F
104.8°F
1:39 PM
83.4°F
5:27 AM
 
89.0°F
103.6°F
3:59 PM
76.4°F
5:20 AM
 
90.6°F
111.5°F
Jul-09
65.7°F
Jul-01
 
73.7°F
111.5°F
Jul-09
30.7°F
Jan-10
 
---
118.8°F
20-Jun-2017
19.4°F
15-Jan-2013
Wind Chill:
Wind Chill Minimum
Wind Chill:
104.8°F
83.4°F 
5:27 AM
 
76.4°F
5:20 AM
 
65.7°F
Jul-01
 
30.7°F
Jan-10
 
19.4°F
15-Jan-2013
Heat Index:
Heat Index Maximum
Heat Index:
108.0°F
108.0°F
1:39 PM
 
107.9°F
3:04 PM
 
111.8°F
Jul-09
 
111.8°F
Jul-09
 
137.1°F
07-May-2022
Solar Radiation W/m2:
Heat Index Maximum
Solar Radiation:
Sunshine
Hours:
954
1292
11:02 AM
02
Hours
 
1243.0
1:37 PM
05
Hours
 
1325.0
Jul-05
108
Hours
 
1325.0
Jul-05
1472
Hours
 
1415.0
12-Jul-2015
---
 
Evapotranspiration:
Heat Index Watering
Index1:
0.327
0.327
in
 
0.296
in
 
4.60
in
 
---
 
 
---
 
UV:   Very High 
UV Index Maximum
UV Index:
9.7
12.3
12:18 PM
 
12.5
12:56 PM
 
13.5
Jul-04
 
13.5
Jul-04
 
16.0
03-Jun-2017
Rain2:
Rain / Snow Melt Rainfall
or Melt:
Average:
Percent of Average:
0.00 in
0.00 in
 
---
---
 
0.00 in
 
---
---
 
0.15 in
 
2.21 in
6.8%
 
2.81 in
 
10.03 in
28.0%
Rec Year5
16.29 in
2018
---
---
Humidity:
Humidity Maximum
Humidity:
Minimum
Humidity:
26%
55%
5:47 AM
26%
1:19 PM
 
78%
12:06 AM
27%
12:53 PM
 
81%
Jul-12
3%
Jul-01
 
94%
Jan-02
3%
Mar-23
 
96%
15-Dec-2011
0%
01-Feb-2012
Dew Point:
Dew Point Maximum
Dew Point:
Minimum
Dew Point:
63.0°F
66.5°F
8:11 AM
60.8°F
1:17 AM
 
70.1°F
9:25 AM
58.8°F
12:41 PM
 
70.5°F
Jul-11
6.1°F
Jul-01
 
79.3°F
May-20
3.2°F
Mar-23
 
92.8°F
16-Jun-2017
-15.3°F
24-Jan-2025
Wind: NNE
wind Maximum
Avg Wind Speed:
Avg Wind Gust:
Maximum
Wind Gust:
Wind
Run:
3.5 mph
5.5 mph
12:43 PM
1.1 mph
10.0 mph
1:39 PM
15.07
Miles
 
9.2 mph
4:47 PM
---
13.0 mph 4:47 PM
35.75
Miles
 
14.7 mph
Jul-13
---
29.0 mph
Jul-13
601.53
Miles
 
23.0 mph
Jun-27
---
57.0 mph
Apr-03
7064.30
Miles
 
56.0 mph
25-Jan-2021
---
57.0 mph
15-Dec-2015
---
 
Barometer:   ( inHg)
Barometer Maximum
Barometer:
Minimum
Barometer:
29.676
29.775
8:46 AM
29.676
1:38 PM
 
29.877
8:47 AM
29.694
6:17 PM
 
29.891
Jul-12
29.539
Jul-09
 
30.466
Jan-10
29.474
May-17
 
30.528
21-Jan-2025
29.465
04-May-2025
Measurement: Current: Yesterday Month / MTD Year / YTD Station Record
Version 3.02 - 31-Dec-2011 - Script by: WebsterWeatherLIVE.com
1Estimated amount of water needed to replace the water used by plants and evaporation from the past week.
(Negative numbers mean amount of water needed, positive numbers mean excess water is present.)
2Rain season: Jan 1st to Dec 31st.   5From this station's records based on complete years data for rain/snow season. Does not include current year/season

Φ = Average Reading

Station History by Month
Since: December 7, 2011
Updated:15-Jul-2026 1:40pm
Records: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High Temp (°F):
Low Temp (°F):
Avg Temp (°F):
Avg Rain ( in):
86.5
19.4
53.3
0.81
93.9
25.9
57.7
0.61
104.9
32.4
64.4
0.37
105.4
48.0
71.8
0.12
110.5
52.2
79.2
0.12
118.8
64.0
89.7
0.47
115.3
64.6
90.5
2.21
115.0
55.4
89.0
1.79
109.8
53.2
84.5
0.96
101.7
36.5
74.4
0.62
91.9
35.2
62.8
0.62
87.4
27.7
54.3
1.12