Question 1

How much rain did Castle Rock, CO get in the last 24 hours?

Accepted Answer

Castle Rock, CO received 0.00" of rain over the last 24 hours, measured by Precip's radar-based virtual rain gauge and updated hourly.

Question 2

What is the year-to-date rainfall total for Castle Rock, CO in 2026?

Accepted Answer

So far in 2026, Castle Rock, CO has received 15.11" of precipitation according to Precip, compared to the 30-year normal to date of 16.55" (8.7% below average).

Question 3

When did it last rain in Castle Rock, CO?

Accepted Answer

The most recent rain event in Castle Rock, CO ended 5 days ago, dropping 0.23" of rain as measured by Precip.

Question 4

How are rainfall totals for Castle Rock, CO measured?

Accepted Answer

Precip combines Doppler radar, satellite imagery, and ground station data with AI to estimate rainfall for any point — a virtual rain gauge for Castle Rock, CO accurate to roughly 800 meters and updated every hour.

Month	2026 Total	30-Yr Normal	vs. Normal
January	0.66"	0.59"	+0.08" (+13%)
February	0.49"	0.65"	−0.16" (−25%)
March	1.82"	1.59"	+0.23" (+14%)
April	1.54"	2.24"	−0.70" (−31%)
May	3.10"	2.18"	+0.92" (+42%)
June	0.91"	2.20"	−1.29" (−59%)
July	1.72"	2.28"	−0.56" (−25%)
August	2.60"	2.40"	+0.20" (+8%)
September	1.71"	1.42"	+0.29" (+20%)
October	0.56"	1.00"	−0.44" (−44%)
2026 YTD Total	15.11"	16.55"	−1.44" (8.7% below average)

Rain Today in Castle Rock, CO: How Much Rain Fell — Last 24 Hour Rainfall Totals

0.00" of rain in Castle Rock, CO in the last 24 hours

Virtual Rain Gauge Map

Daily Rainfall Totals in Castle Rock, CO (Last 7 Days)

Monthly Rainfall Totals in Castle Rock, CO (2026)

Rainfall Totals vs Normals (30 Year Average)

Track rainfall in Castle Rock, CO every day

Rain Forecast for Castle Rock, CO

Lookup weather conditions for zip codes in Castle Rock, CO

Recent Snowfall Totals

Recent Rainfall Totals

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