Helena, Montana Weather Forecast

Local

Helena, MT, US

46.59271, -112.03611

Normals for October

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	40 4	66 19	53 12	0.03 undefined	9.6 undefined	12.3	0.1
2	39 4	65 19	52 11	0.05 undefined	9.62 undefined	12.7	0.1
3	39 4	65 18	52 11	0.08 undefined	9.65 undefined	13.2	0
4	38 4	64 18	51 11	0.11 undefined	9.68 undefined	13.7	0
5	38 3	64 18	51 11	0.13 undefined	9.7 undefined	14.2	0
6	38 3	63 17	50 10	0.16 undefined	9.73 undefined	14.6	0
7	37 3	63 17	50 10	0.18 undefined	9.75 undefined	15.1	0
8	37 3	62 17	49 10	0.21 undefined	9.78 undefined	15.6	0
9	36 2	62 16	49 9	0.24 undefined	9.81 undefined	16.1	0
10	36 2	61 16	48 9	0.26 undefined	9.83 undefined	16.6	0
11	36 2	60 16	48 9	0.29 undefined	9.86 undefined	17.1	0
12	35 2	60 15	47 9	0.31 undefined	9.88 undefined	17.6	0
13	35 2	59 15	47 8	0.34 undefined	9.91 undefined	18.1	0
14	34 1	59 15	46 8	0.37 undefined	9.94 undefined	18.6	0
15	34 1	58 14	46 8	0.4 undefined	9.97 undefined	19.1	0
16	33 1	58 14	45 7	0.42 undefined	9.99 undefined	19.6	0
17	33 1	57 14	45 7	0.45 undefined	10.02 undefined	20.1	0
18	33 0	56 14	45 7	0.48 undefined	10.05 undefined	20.5	0
19	32 0	56 13	44 7	0.5 undefined	10.07 undefined	21	0
20	32 0	55 13	44 6	0.53 undefined	10.1 undefined	21.5	0
21	31 0	55 13	43 6	0.55 undefined	10.12 undefined	22	0
22	31 -1	54 12	43 6	0.58 undefined	10.15 undefined	22.4	0
23	31 -1	54 12	42 6	0.6 undefined	10.17 undefined	22.9	0
24	30 -1	53 12	42 5	0.62 undefined	10.19 undefined	23.3	0
25	30 -1	53 11	41 5	0.65 undefined	10.22 undefined	23.8	0
26	30 -1	52 11	41 5	0.67 undefined	10.24 undefined	24.2	0
27	29 -2	52 11	40 5	0.69 undefined	10.26 undefined	24.7	0
28	29 -2	51 11	40 4	0.72 undefined	10.29 undefined	25.1	0
29	28 -2	51 10	40 4	0.74 undefined	10.31 undefined	25.5	0
30	28 -2	50 10	39 4	0.76 undefined	10.33 undefined	25.9	0
31	28 -2	50 10	39 4	0.78 undefined	10.35 undefined	26.3	0