As of 21:10 MDT

Nampa, ID weather in May

87°

Nampa, Saturday, 8 August, 21:10

Clear. Feels like 84°. High 98°, low 62°.

Pressure29.74 inHg

Wind2 mph NW

Humidity26%

Visibility6.2 mi

Dew point46°

See detailed hourly forecast

In May, Nampa, ID averages a high of 72.3° and a low of 48.5°. About 1.1 inches of precipitation fall over the month (6 wet days). The record high is 100.9° (2025) and the record low 28.4° (1970). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	67.6°	43.2°	12%	88.3° (1985)	32.4° (1972)
2	69.3°	44.2°	15%	87.1° (1966)	29.1° (1997)
3	69.4°	45.3°	22%	90.3° (1966)	33.4° (1964)
4	68.4°	45°	20%	92.1° (1966)	31.6° (1964)
5	69.3°	46°	18%	91.9° (1966)	33.3° (1999)
6	69.1°	46.4°	27%	89.8° (2021)	29.8° (1964)
7	68.9°	46.2°	22%	90.1° (1987)	29.1° (1984)
8	69.6°	45.7°	20%	91.4° (1987)	36.1° (2009)
9	69.4°	46.2°	17%	89.1° (2025)	34.5° (1999)
10	69.4°	45.9°	17%	91° (2025)	29.1° (2022)
11	70.7°	46.2°	20%	90.5° (2013)	28.4° (1970)
12	72.1°	47.1°	13%	95.2° (2013)	36° (2000)
13	72.9°	47.7°	13%	93.7° (2013)	36.5° (1983)
14	73.2°	49.1°	17%	90.1° (1972)	34.5° (1970)
15	73.2°	49.1°	23%	91.8° (2006)	35.8° (1966)
16	72.9°	49.1°	27%	93° (2006)	36.5° (1974)
17	73.2°	50°	18%	93.6° (2008)	36.3° (1974)
18	72.9°	49.8°	17%	95.5° (2009)	37.2° (1974)
19	73°	49.5°	17%	90.5° (2023)	35.2° (2003)
20	72.1°	49.6°	27%	91.9° (2023)	39.6° (2003)
21	72.9°	49.5°	20%	92.3° (2023)	39.2° (2022)
22	73.2°	49.5°	20%	90.9° (1988)	31.8° (1960)
23	73.8°	49.6°	8%	92.7° (2001)	32.7° (2010)
24	74.3°	50.5°	17%	98.1° (2003)	40.6° (1980)
25	75.4°	50.4°	23%	92.1° (1961)	31.5° (1975)
26	75.2°	52°	15%	95.2° (1966)	39.6° (1978)
27	76.1°	52.2°	17%	93.9° (1986)	40.5° (1998)
28	75.7°	52.2°	18%	99.3° (2003)	39.6° (1977)
29	75.7°	51.4°	20%	95.4° (2003)	39.6° (2011)
30	75.9°	52.2°	18%	100.8° (2020)	40.1° (1977)
31	77.4°	52.9°	20%	100.9° (2025)	43.2° (2022)