As of 12:37 MDT

Casto, ID weather in March

61°

Casto, Wednesday, 7 October, 12:37

Clear. Feels like 59°. High 67°, low 29°.

Pressure30.09 inHg

Wind3.7 mph NW

Humidity27%

Visibility6.2 mi

Dew point28°

See detailed hourly forecast

In March, Casto, ID averages a high of 39.9° and a low of 22.4°. About 2.4 inches of precipitation fall over the month (12 wet days). The record high is 62.1° (2004) and the record low -6.3° (1977). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	37.6°	21°	47%	55.4° (2025)	-2.9° (1960)
2	37°	19.6°	40%	52° (2022)	-0.9° (1971)
3	36.3°	19.4°	38%	54.5° (1986)	-3.3° (2024)
4	36.1°	18.7°	27%	53.1° (1987)	-1.8° (1977)
5	37.9°	19.4°	33%	50.4° (1986)	2.5° (1977)
6	37.9°	21.4°	43%	51.1° (2020)	5.5° (1971)
7	38.5°	19.9°	27%	51.4° (1993)	-0° (2024)
8	39.2°	21.6°	38%	55.2° (2004)	-2.2° (2024)
9	39.7°	22.5°	43%	54.9° (1972)	3.2° (2002)
10	40.3°	23.2°	32%	52.9° (1989)	0.3° (2022)
11	39.7°	22.8°	37%	54.9° (2005)	1.8° (1977)
12	40.5°	21.9°	25%	55.6° (2007)	9.9° (1962)
13	39.9°	23.4°	47%	53.8° (2003)	7.3° (1962)
14	39.7°	23°	50%	54.9° (2017)	3.4° (2024)
15	40.6°	22.5°	40%	57° (1994)	-6.3° (1977)
16	40.8°	23.4°	43%	53.8° (1972)	2.3° (1977)
17	39.4°	23°	52%	55.9° (2007)	10° (1966)
18	40.3°	22.1°	38%	55.8° (2024)	0.9° (1965)
19	41.2°	22.3°	35%	55.2° (1997)	2.7° (2025)
20	41.5°	22.6°	33%	59.7° (1960)	5.2° (1977)
21	41.9°	24.1°	40%	62.1° (2004)	10.4° (1974)
22	42.3°	24.6°	38%	59.2° (2004)	12.9° (1966)
23	41.2°	24.6°	50%	55.6° (2022)	9.5° (2013)
24	40.3°	23.4°	52%	53.2° (2007)	5.5° (1965)
25	41.2°	23.2°	43%	56.7° (2025)	4.5° (1965)
26	40.5°	23.4°	45%	59.5° (2025)	9.9° (1977)
27	40.1°	23.2°	48%	58.6° (2022)	4.8° (1975)
28	39.7°	23°	50%	55.8° (1986)	0.5° (1975)
29	40.6°	22.8°	45%	58.1° (1978)	5° (1987)
30	41.9°	23°	25%	56.8° (1966)	9.9° (2008)
31	42.4°	24.3°	37%	57.7° (2013)	11.3° (1967)