As of 05:59 MDT

Eureka, MT weather in May

51°

Eureka, Wednesday, 7 October, 05:59

Overcast. Feels like 48°. High 73°, low 48°.

Pressure30.06 inHg

Wind6 mph SW

Humidity62%

Visibility6.2 mi

Dew point38°

See detailed hourly forecast

In May, Eureka, MT averages a high of 62.9° and a low of 42.4°. About 2.7 inches of precipitation fall over the month (13 wet days). The record high is 91.6° (1986) and the record low 25.7° (2019). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	57.9°	37.6°	33%	79.3° (2023)	25.7° (2019)
2	58.3°	39°	42%	82.9° (2023)	30.7° (1999)
3	58.5°	39.2°	52%	78.8° (2016)	28.4° (2024)
4	59.4°	38.7°	42%	79.3° (2023)	28.8° (2024)
5	59.5°	39.7°	43%	81.1° (1992)	31.3° (2020)
6	59.5°	40.3°	42%	83.1° (1992)	30.6° (2025)
7	58.5°	40.5°	53%	83.5° (1987)	27.7° (2002)
8	59.5°	40.3°	40%	81.3° (1987)	27.9° (2002)
9	59.9°	39.9°	43%	79.9° (1994)	26.2° (2002)
10	61°	39.9°	33%	78.4° (2025)	27.5° (1968)
11	61.3°	39.7°	35%	84° (1993)	30° (2022)
12	62.2°	41°	28%	88.5° (1993)	31.1° (2022)
13	62.4°	41.5°	40%	83.7° (1993)	28.8° (1995)
14	63.1°	41.7°	40%	83.3° (1993)	27.9° (2022)
15	64.4°	42.4°	38%	83.1° (2012)	30.7° (2017)
16	64.2°	43°	40%	85.6° (2006)	32.9° (1974)
17	63.9°	43.2°	35%	86.5° (2006)	32° (1974)
18	63.3°	43.5°	52%	86.9° (2006)	32.9° (1970)
19	63.9°	42.6°	38%	83.5° (2023)	30.7° (1975)
20	63.5°	42.6°	52%	82° (2023)	32.9° (1968)
21	63.7°	43.5°	43%	79.3° (1980)	33.4° (1975)
22	64.2°	43.9°	35%	83.5° (1988)	28.4° (2022)
23	65.1°	44.4°	35%	84.7° (2001)	32.7° (1964)
24	65.3°	45°	48%	85.3° (2001)	32.5° (1975)
25	65.7°	45.3°	45%	82° (1986)	33.3° (1964)
26	66°	45.7°	53%	88.5° (1986)	33.3° (1964)
27	66.6°	45.5°	48%	88.9° (1986)	35.8° (1972)
28	66.6°	45.1°	48%	88.5° (1986)	35.4° (1977)
29	66.7°	45.5°	57%	90.9° (1986)	34.5° (2011)
30	67.1°	46.2°	45%	91.6° (1986)	35.2° (1999)
31	68.2°	46.4°	45%	90.5° (1986)	35.2° (1969)