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Herndon, CA

96°F
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Herndon, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities
Heat Advisory

July

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
28
87°
58°
29
89°
61°
30
93°
65°
1
91°
63°
2
92°
60°
3
96°
64°
4
98°
69°
5
96°
73°
6
96°
65°
7
95°
64°
8
95°
61°
9
98°
66°
10
104°
72°
11
101°
68°
12
100°
75°
13
Hot with clouds and sun
100°
72°
14
Sunshine and hot
105°
70°
15
Sunny and toasty conditions
106°
68°
16
Hot with plenty of sun
102°
63°
17
Mostly sunny and warm
98°
64°
18
Warm with clouds and sun
98°
67°
19
Mostly sunny and warm
96°
67°
20
Warm with plenty of sun
98°
66°
21
Luminous sunshine and warm
97°
65°
22
Sunny and warm
99°
67°
23
Warm with plenty of sunshine
100°
66°
24
Sunny and remaining warm
99°
67°
25
Mostly sunny and hot
101°
68°
26
Sunshine and warm
98°
63°
27
Hot with lots of sun
99°
68°
28
Hot with plenty of sunshine
99°
67°
29
Warm with plenty of sun
98°
67°
30
Warm with plenty of sun
97°
66°
31
Sunny and remaining warm
94°
64°
1
Plenty of sun
93°
65°

Temperature Graph

°F
110° 98° 86° 74° 62° Jul
Today 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

July Weather in Herndon

Herndon's July 2026 forecast shows daily high temperatures ranging from 93° to 106°, with overnight lows between 63° and 72°. The average high for July is 99° with an average low of 67°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Herndon. See also: August | September | October.

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World North America United States California Herndon

Weather Near Herndon:

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