As of 00:18 MDT

Boulder, WY weather in May

41°

Boulder, Wednesday, 7 October, 00:18

Clear. Feels like 37°. High 74°, low 37°.

Pressure30.09 inHg

Wind6.9 mph W

Humidity52%

Visibility6.2 mi

Dew point27°

See detailed hourly forecast

In May, Boulder, WY averages a high of 54.9° and a low of 32.2°. About 2.2 inches of precipitation fall over the month (12 wet days). The record high is 80.2° (2003) and the record low 5.7° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	47.1°	26.1°	35%	65.8° (1981)	5.7° (1990)
2	48.4°	26.2°	28%	65.8° (1985)	8.4° (2019)
3	50.2°	28.4°	37%	67.1° (2000)	16.3° (1964)
4	50.9°	28.6°	33%	67.8° (2025)	8.8° (2024)
5	51.4°	29.7°	38%	67.3° (1992)	17.6° (1991)
6	51.1°	29.8°	43%	69.4° (1992)	14° (1999)
7	50.4°	30°	42%	67.8° (1992)	13.6° (1984)
8	50.2°	29.7°	43%	66.6° (1987)	13.6° (2010)
9	51.1°	29.5°	43%	68.7° (2025)	14.2° (1993)
10	50.9°	29.8°	55%	74.5° (2025)	14.7° (1999)
11	50.7°	30°	45%	70.2° (2025)	16.5° (1965)
12	52.5°	29.7°	33%	73.2° (2025)	17.1° (1982)
13	54.1°	30.7°	38%	72° (2013)	12.2° (1983)
14	54.9°	30.4°	25%	69.1° (2013)	11.1° (2014)
15	55.9°	32.7°	33%	72.1° (1987)	16.2° (1983)
16	57°	33.3°	42%	71.2° (1988)	23.4° (1999)
17	56.5°	33.4°	38%	70.3° (2006)	22.5° (1999)
18	57°	34.3°	35%	73.6° (2020)	19.9° (2011)
19	56.8°	34.2°	35%	72.9° (1992)	20.8° (1977)
20	57.2°	34.3°	40%	70.9° (1964)	23.2° (1983)
21	56.8°	34.5°	48%	70.9° (2012)	24.1° (2022)
22	56.8°	34.2°	50%	70.9° (2006)	23.5° (2022)
23	57°	34.2°	45%	71.2° (2001)	20.8° (1975)
24	57.2°	34°	45%	72.9° (2001)	22.3° (2020)
25	57.9°	34°	37%	73.4° (2001)	21.4° (1975)
26	59.5°	35.6°	35%	75.2° (1969)	22.5° (1975)
27	60.3°	36.7°	32%	74.8° (2003)	25.5° (1973)
28	61.2°	36.9°	40%	80.2° (2003)	27° (1973)
29	59.9°	37°	50%	80.1° (2003)	25.2° (1995)
30	59.4°	35.8°	32%	78.1° (2003)	25.9° (1979)
31	61.3°	36°	33%	77.4° (2025)	24.8° (1978)