As of 09:53 PDT

Weather in Grand Coulee, WA

41°

Grand Coulee, Wednesday, 28 October, 09:53

Light rain. Feels like 36°. High 47°, low 35°.

Pressure29.91 inHg

Wind9.7 mph SE

Humidity87%

Visibility6.2 mi

Dew point38°

Wed, 28October

47°/35°

Thu, 29October

46°/33°

Fri, 30October

46°/33°

Sat, 31October

42°/32°

Sun, 01November

49°/31°

Mon, 02November

48°/29°

Tue, 03November

51°/37°

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	42°	36°	38°	41°	41°	41°	42°	45°	46°	42°	40°	36°
Feels like	42°	35°	35°	36°	36°	36°	36°	40°	42°	42°	40°	36°
Pressure, inHg	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.94	29.97	30.00
Wind, mph	4.7	4.7	4.7	4.7	4.7	4.3	4.1	4.5	3.2	0.9	0.8	0.6
Humidity, %	82%	82%	82%	82%	82%	87%	82%	64%	52%	66%	73%	78%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	34°	33°	33°	33°	33°	39°	43°	46°	46°	42°	40°	40°
Feels like	34°	33°	33°	33°	33°	37°	42°	44°	44°	42°	40°	40°
Pressure, inHg	30.03	30.06	30.06	30.09	30.12	30.15	30.09	30.03	30.00	30.00	30.00	30.00
Wind, mph	0.6	0.8	1	1.2	1.2	1.3	1.6	2.1	1.9	0.7	0.7	0.6
Humidity, %	87%	98%	100%	99%	98%	97%	75%	62%	62%	75%	80%	89%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0.01 in	0.01 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	0.0 mi	0.1 mi	0.2 mi	0.2 mi	6.2 mi	4.7 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	33°	33°	34°	35°	35°	39°	42°	45°	45°	40°	37°	34°
Feels like	33°	33°	34°	35°	35°	39°	41°	45°	45°	40°	37°	34°
Pressure, inHg	30.00	30.00	29.97	29.94	29.94	29.97	29.97	29.94	29.94	29.97	30.00	30.03
Wind, mph	0.9	0.9	0.9	0.9	0.8	1.1	1.6	1.2	1.3	0.8	0.3	0
Humidity, %	92%	93%	92%	88%	87%	80%	70%	65%	65%	83%	92%	99%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	2.2 mi	3.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	1.6 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	33°	33°	32°	32°	32°	34°	40°	42°	42°	41°	39°	37°
Feels like	33°	33°	32°	32°	32°	34°	40°	40°	42°	41°	39°	37°
Pressure, inHg	30.06	30.06	30.09	30.09	30.09	30.09	30.06	30.03	30.03	30.03	30.03	30.03
Wind, mph	0.2	0.3	0.7	0.4	0.6	0.9	1.1	1.5	0.8	0.5	0.3	0.2
Humidity, %	99%	94%	97%	98%	96%	92%	83%	76%	77%	82%	89%	91%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	0.3 mi	0.0 mi	0.0 mi	0.8 mi	—	0.2 mi	4.7 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	36°	33°	33°	32°	31°	35°	37°	39°	42°	46°	45°	41°
Feels like	36°	33°	33°	32°	31°	35°	37°	38°	41°	44°	43°	40°
Pressure, inHg	30.03	30.03	30.03	30.06	30.09	30.15	30.15	30.15	30.15	30.15	30.15	30.15
Wind, mph	0.2	0.2	0.5	0.6	0.6	2.8	2.8	2.8	2.8	2.8	2.8	2.8
Humidity, %	95%	100%	98%	98%	99%	85%	85%	85%	85%	85%	85%	85%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	2.4 mi	1.3 mi	0.7 mi	0.3 mi	0.1 mi	—	—	—	—	—	—	—

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	41°	36°	33°	29°	33°	36°	39°	42°	43°	45°	44°	42°
Feels like	41°	36°	33°	29°	33°	36°	39°	42°	43°	45°	44°	42°
Pressure, inHg	30.50	30.50	30.50	30.50	30.50	30.50	30.50	30.50	30.50	30.50	30.50	30.50
Wind, mph	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4
Humidity, %	69%	69%	69%	69%	69%	69%	69%	69%	69%	69%	69%	69%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	46°	38°	37°	37°	39°	42°	44°	46°	46°	47°	46°	43°
Feels like	46°	36°	36°	37°	39°	42°	44°	46°	46°	47°	45°	41°
Pressure, inHg	30.30	30.30	30.30	30.30	30.30	30.30	30.30	30.30	30.30	30.30	30.30	30.30
Wind, mph	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1
Humidity, %	43%	43%	43%	43%	43%	43%	43%	43%	43%	43%	43%	43%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

See detailed hourly forecast

Sun and moon today

Day length — 10 h 10 min

Sunrise — 07:34

Sunset — 17:44

Sunrise and sunset in local time

Waning gibbous, 93%

Sunrise — —

Sunset — —

Grand Coulee, WA climate by month

The annual average temperature in Grand Coulee, WA is 50.7°. The warmest month is July (average high 86.5°), and the coldest is January (average low 21.6°). About 16.6 inches of precipitation fall per year, most of it in December (2.6 in). Figures are 60-year climate normals and records from 66 years of observations.

Month	High	Low	Precipitation	Wet days	Record high	Record low
January	32.1°	21.6°	2.0 in	10	52.3° (2020)	-13.2° (1979)
February	38.6°	25.2°	1.5 in	8	60.6° (1995)	-9.8° (1996)
March	48.7°	32°	1.7 in	9	70.9° (2025)	-0.6° (2019)
April	58.4°	39.5°	1.3 in	7	90.1° (1977)	25° (1971)
May	69.4°	49.1°	1.3 in	7	98.4° (1986)	32.7° (1962)
June	77.7°	57.1°	1.0 in	5	111.2° (2021)	40.6° (1976)
July	86.5°	64.2°	0.4 in	3	107.2° (2024)	46.2° (1979)
August	85.1°	63.8°	0.5 in	3	104.7° (2024)	46.4° (1965)
September	74.7°	55.4°	0.7 in	4	102.7° (2025)	34.3° (1972)
October	59.5°	44.1°	1.3 in	6	86° (1992)	15.4° (1984)
November	43.4°	33°	2.2 in	10	63° (1988)	-10.8° (1985)
December	33.1°	24°	2.6 in	12	61° (2021)	-18° (1968)