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Castle Rock, CO

70°F
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Castle Rock

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70°
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Castle Rock, CO 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
Air Quality Alert

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
91°
56°
29
90°
54°
30
90°
54°
1
88°
53°
2
88°
58°
3
90°
55°
4
87°
57°
5
94°
63°
6
94°
65°
7
96°
64°
8
92°
60°
9
89°
59°
10
89°
55°
11
94°
60°
12
95°
64°
13
95°
65°
14
94°
62°
15
N/A
16
Sunny; breezy this afternoon
87°
59°
17
Breezy in the afternoon
88°
59°
18
Mostly sunny and very warm
91°
59°
19
Mostly sunny and very warm
94°
61°
20
Very warm with some sun
91°
59°
21
A shower and thunderstorm
85°
58°
22
A shower and thunderstorm
83°
58°
23
A shower and thunderstorm
84°
57°
24
A shower and thunderstorm
81°
58°
25
Mostly cloudy, p.m. t-storms
83°
60°
26
Some sun
82°
60°
27
A shower and thunderstorm
84°
58°
28
A shower and thunderstorm
82°
60°
29
Mostly sunny
86°
59°
30
Morning rain; mostly cloudy
87°
60°
31
Decreasing clouds
84°
60°
1
Cloudy
86°
60°

Temperature Graph

°F
100° 90° 80° 70° 60° 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
*Temporarily Unavailable

July Weather in Castle Rock

Castle Rock's July 2026 forecast shows daily high temperatures ranging from 81° to 94°, with overnight lows between 57° and 61°. The average high for July is 86° with an average low of 59°. 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 Castle Rock. See also: August | September | October.

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World North America United States Colorado Castle Rock

Weather Near Castle Rock:

  • Boulder, CO
  • Denver, CO
  • Fort Collins, CO
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