As of 18:02 PDT

Grass Valley, OR weather in August

71°

Grass Valley, Thursday, 8 October, 18:02

Overcast. Feels like 69°. High 72°, low 42°.

Pressure29.88 inHg

Wind2.3 mph N

Humidity34%

Visibility6.2 mi

Dew point39°

See detailed hourly forecast

In August, Grass Valley, OR averages a high of 81° and a low of 57.6°. About 0.4 inches of precipitation fall over the month (2 wet days). The record high is 101.3° (2023) and the record low 40.1° (1965). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	84.6°	59.4°	5%	100.2° (2015)	45.7° (1963)
2	83.8°	58.6°	3%	95.7° (2021)	48° (1964)
3	83.8°	58.8°	2%	97.3° (2021)	48.6° (2008)
4	84.4°	59.2°	3%	99.9° (1998)	50.2° (2002)
5	83.5°	58.8°	8%	96.6° (1990)	45.5° (1969)
6	82.6°	58.1°	8%	98.4° (1972)	47.5° (1996)
7	82.6°	58.6°	7%	99.9° (1972)	46.8° (2002)
8	83.1°	58.6°	3%	100.4° (1972)	46.6° (2025)
9	84.4°	59.2°	3%	100° (2018)	47.8° (1985)
10	83.8°	59.7°	5%	98.4° (1971)	50.7° (2016)
11	83.1°	58.5°	5%	99° (1971)	49.5° (1991)
12	83.1°	58.6°	5%	98.6° (2021)	48.6° (1974)
13	82.2°	59.2°	5%	98.8° (2021)	45.7° (1995)
14	82.4°	58.5°	7%	99.5° (2021)	48.9° (2000)
15	81.7°	58.5°	7%	101.3° (2023)	48.2° (2009)
16	80.6°	57.7°	12%	100.6° (2023)	46.6° (1976)
17	81°	57.4°	10%	98.4° (1977)	44.6° (1976)
18	80.8°	57.4°	7%	96.1° (1967)	43° (1995)
19	80.6°	57°	8%	96.6° (1967)	45.1° (1964)
20	79.5°	57°	17%	94.8° (2009)	44.8° (1968)
21	79.2°	56.3°	10%	91.4° (1991)	45.1° (1968)
22	78.3°	56.5°	8%	91.9° (1970)	41.5° (1960)
23	77.9°	56.3°	8%	92.3° (1969)	44.6° (2021)
24	77.5°	55.4°	10%	94.5° (2025)	44.8° (1975)
25	78.1°	55.8°	13%	95.7° (1996)	43.2° (1993)
26	79.3°	55.8°	3%	92.5° (1984)	43.7° (1976)
27	79.2°	56.8°	5%	92.1° (1972)	43.9° (1960)
28	79.9°	56.1°	5%	95.2° (2017)	42.4° (1960)
29	78.8°	57°	5%	96.1° (2017)	40.1° (1965)
30	76.1°	55.4°	18%	93.7° (2007)	43° (1966)
31	76.5°	54.7°	7%	93.6° (1987)	40.6° (1964)