As of 07:10 PDT

Waterloo, OR weather in September

45°

Waterloo, Wednesday, 7 October, 07:10

Partly cloudy. Feels like 45°. High 79°, low 45°.

Pressure30.03 inHg

Wind0.6 mph S

Humidity97%

Visibility1.0 mi

Dew point44°

See detailed hourly forecast

In September, Waterloo, OR averages a high of 74.5° and a low of 52.3°. About 2.6 inches of precipitation fall over the month (7 wet days). The record high is 102.6° (1988) and the record low 37.4° (2019). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	78.3°	54.5°	17%	98.6° (1988)	44.1° (1973)
2	78.4°	54.5°	17%	102.6° (1988)	45.5° (1960)
3	78.3°	54.5°	10%	95.5° (2003)	45.5° (2021)
4	78.4°	54°	10%	97.5° (1973)	45.7° (2000)
5	77.5°	54.1°	12%	95.7° (2024)	44.8° (1969)
6	77.2°	53.8°	17%	94.3° (2014)	45.1° (1960)
7	76.8°	54°	13%	93.4° (2011)	43.7° (1971)
8	76.6°	53.6°	18%	91.9° (1993)	44.2° (1978)
9	77.2°	54.1°	23%	97.7° (2020)	43.3° (1964)
10	76.6°	53.6°	23%	97.3° (2022)	44.4° (1964)
11	76.5°	53.2°	22%	91.2° (1975)	43.7° (1985)
12	76.5°	53.2°	13%	91.9° (1975)	45.7° (1967)
13	76.5°	52.2°	15%	90.5° (1989)	41.7° (1970)
14	75.6°	52.7°	20%	91° (2014)	40.6° (1970)
15	74.1°	52.5°	23%	95.7° (1981)	41.2° (1970)
16	73°	52°	22%	91° (1994)	43.3° (1986)
17	71.8°	52.5°	38%	93.2° (1991)	39.7° (1965)
18	71.4°	52.3°	42%	90.7° (1991)	41.7° (1964)
19	70.9°	51.4°	37%	91.2° (1974)	41.5° (2018)
20	71.6°	50.7°	30%	94.1° (2014)	41.7° (1968)
21	73°	50.4°	20%	93.7° (1994)	40.6° (1968)
22	73°	50.7°	18%	94.5° (2009)	41.5° (1961)
23	72.9°	50.7°	23%	90.1° (1974)	41.4° (1981)
24	73°	50.5°	22%	94.3° (1991)	39° (1970)
25	71.8°	51.4°	38%	93.2° (1991)	39.2° (1972)
26	72°	50.7°	22%	91.2° (1967)	42.6° (2018)
27	72.1°	50.4°	22%	93.7° (2003)	37.8° (1972)
28	72.9°	50.4°	22%	84.7° (1993)	41.7° (1983)
29	71.4°	50.5°	32%	87.3° (1987)	37.9° (2019)
30	70.3°	50.4°	30%	90.3° (1987)	37.4° (2019)