As of 06:15 CDT

Ottumwa, IA weather in May

71°

Ottumwa, Sunday, 9 August, 06:15

Overcast. Feels like 73°. High 95°, low 70°.

Pressure29.85 inHg

Wind8 mph S

Humidity90%

Visibility6.2 mi

Dew point69°

See detailed hourly forecast

In May, Ottumwa, IA averages a high of 71.6° and a low of 53.7°. About 4.6 inches of precipitation fall over the month (12 wet days). The record high is 94.1° (2006) and the record low 30.9° (2005). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	65.3°	48.4°	30%	81.3° (2001)	32.4° (1963)
2	65.7°	47.5°	30%	84.4° (1968)	33.1° (1966)
3	65.1°	47.3°	35%	81.1° (2012)	30.9° (2005)
4	67.5°	48.4°	35%	82.6° (1982)	32.4° (2005)
5	69.6°	50.4°	43%	86.4° (1962)	38.8° (1978)
6	68.5°	50.7°	40%	85.8° (2004)	34.5° (1978)
7	70°	52.3°	50%	85.3° (2014)	38.1° (1960)
8	70°	52.7°	43%	85.3° (1963)	36.1° (1976)
9	69.8°	51.8°	32%	88.3° (2022)	33.3° (2020)
10	71.1°	51.8°	33%	89.2° (2011)	31.3° (1966)
11	70.3°	53.4°	47%	89.4° (2022)	38.3° (2020)
12	69.3°	51.4°	40%	90.1° (2022)	37.6° (1969)
13	69.8°	51.4°	50%	86.5° (1962)	37.8° (1996)
14	70.9°	52.3°	42%	88.7° (1988)	39.7° (1980)
15	71.1°	52.9°	45%	89.2° (2017)	37.9° (1973)
16	72.3°	53.8°	33%	87.6° (2017)	37.4° (2014)
17	72.7°	54.5°	38%	87.8° (1996)	37.4° (2014)
18	73.4°	55°	27%	89.1° (1962)	39.2° (2002)
19	73.9°	55°	30%	88.3° (1962)	40.1° (2015)
20	72.5°	55.9°	38%	87.4° (1975)	40.5° (1981)
21	72.7°	54.7°	35%	87.3° (1962)	39.6° (2002)
22	73.4°	55.4°	33%	89.2° (1962)	37.9° (1963)
23	73.6°	56.8°	47%	87.3° (1964)	38.1° (1963)
24	74.1°	56.8°	38%	90.7° (2006)	42.1° (2001)
25	73°	56.7°	57%	88.5° (1967)	44.6° (1992)
26	74.1°	57°	50%	93° (2012)	43° (1961)
27	75.2°	57.4°	47%	93.7° (2006)	39° (1992)
28	75.2°	57.6°	50%	94.1° (2006)	41° (1992)
29	76.5°	58.6°	40%	92.5° (2006)	39.6° (1965)
30	77°	59°	35%	89.2° (2000)	43.5° (1965)
31	75.7°	58.8°	43%	88.2° (1988)	43.2° (1972)