As of 17:21 PDT

Weather in Grand Coulee, WA

53°

Grand Coulee, Friday, 23 October, 17:21

Clear. Feels like 50°. High 55°, low 40°.

Pressure30.18 inHg

Wind14.2 mph NW

Humidity33%

Visibility6.2 mi

Dew point26°

Fri, 23October

55°/40°

Sat, 24October

49°/35°

Sun, 25October

58°/35°

Mon, 26October

52°/40°

Tue, 27October

50°/39°

Wed, 28October

49°/41°

Thu, 29October

49°/36°

	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	53°	40°	42°	44°	46°	49°	52°	53°	53°	53°	49°	42°
Feels like	53°	39°	39°	38°	42°	45°	48°	50°	50°	49°	46°	42°
Pressure, inHg	30.12	30.12	30.12	30.12	30.12	30.12	30.12	30.12	30.12	30.18	30.21	30.24
Wind, mph	8.4	8.4	8.4	8.4	8.4	8.4	8.4	8.4	8.4	4.8	2.9	0.8
Humidity, %	39%	39%	39%	39%	39%	39%	39%	39%	39%	34%	39%	54%
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

	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	38°	37°	37°	36°	36°	42°	47°	48°	49°	47°	46°	44°
Feels like	38°	37°	37°	36°	36°	39°	44°	46°	47°	47°	46°	44°
Pressure, inHg	30.27	30.30	30.27	30.27	30.27	30.27	30.24	30.15	30.12	30.09	30.09	30.09
Wind, mph	0.5	0.5	0.1	0.5	0.8	1.9	2.7	2.3	2.1	1.2	0.5	0.4
Humidity, %	71%	81%	87%	92%	90%	67%	55%	48%	43%	50%	56%	70%
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	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	42°	39°	38°	35°	36°	43°	52°	57°	58°	52°	50°	46°
Feels like	42°	39°	38°	35°	36°	43°	49°	54°	55°	50°	50°	46°
Pressure, inHg	30.06	30.06	30.06	30.06	30.06	30.09	30.06	30.00	29.97	29.94	29.97	29.97
Wind, mph	0.3	0.6	0.6	0.6	0.6	0.7	1.1	3.7	3.8	1	0.3	0.3
Humidity, %	83%	92%	93%	88%	84%	63%	45%	38%	37%	49%	55%	62%
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	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	44°	43°	41°	40°	40°	43°	46°	51°	51°	49°	47°	45°
Feels like	44°	43°	41°	40°	40°	43°	45°	48°	49°	49°	47°	45°
Pressure, inHg	29.97	29.97	29.94	29.97	30.00	30.00	30.03	29.97	29.97	30.00	30.03	30.03
Wind, mph	0.5	0.4	0.4	0.3	0.5	1.2	1.5	0.5	0.9	0.2	1.3	0.9
Humidity, %	68%	73%	77%	80%	83%	82%	76%	59%	53%	66%	75%	88%
Precipitation	0 in	0 in	0 in	0.01 in	0.01 in	0.06 in	0.02 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	5.8 mi	6.2 mi	4.3 mi	5.3 mi	6.2 mi	6.2 mi	6.2 mi	6.1 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	43°	43°	41°	39°	39°	43°	46°	50°	50°	49°	49°	46°
Feels like	43°	43°	41°	39°	39°	41°	45°	48°	48°	47°	47°	45°
Pressure, inHg	30.06	30.09	30.09	30.12	30.12	30.12	30.12	30.06	30.03	30.15	30.15	30.15
Wind, mph	0.7	0.9	0.7	0.7	0.8	1.3	1.6	1.8	1.9	1.9	1.9	1.9
Humidity, %	91%	94%	97%	100%	100%	90%	79%	65%	65%	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	6.2 mi	6.2 mi	6.2 mi	—	0.3 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	44°	41°	42°	42°	43°	43°	44°	45°	46°	48°	47°	45°
Feels like	44°	39°	41°	42°	42°	41°	40°	41°	42°	44°	44°	42°
Pressure, inHg	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85
Wind, mph	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1
Humidity, %	91%	91%	91%	91%	91%	91%	91%	91%	91%	91%	91%	91%
Precipitation	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 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	42°	37°	38°	39°	40°	40°	41°	43°	45°	47°	46°	42°
Feels like	42°	36°	36°	36°	36°	36°	37°	38°	41°	44°	43°	40°
Pressure, inHg	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00
Wind, mph	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9
Humidity, %	78%	78%	78%	78%	78%	78%	78%	78%	78%	78%	78%	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	—	—	—	—	—	—	—	—	—	—	—	—

See detailed hourly forecast

Sun and moon today

Day length — 10 h 26 min

Sunrise — 07:27

Sunset — 17:53

Sunrise and sunset in local time

Waxing gibbous, 95%

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)