As of 14:21 PST

Weather in Grand Coulee, WA

50°

Grand Coulee, Monday, 9 November, 14:21

Overcast. Feels like 48°. High 50°, low 39°.

Pressure30.03 inHg

Wind5.2 mph E

Humidity68%

Visibility6.2 mi

Dew point40°

Mon, 09November

50°/39°

Tue, 10November

50°/43°

Wed, 11November

56°/41°

Thu, 12November

53°/39°

Fri, 13November

59°/38°

Sat, 14November

52°/40°

Sun, 15November

45°/39°

	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	49°	44°	42°	39°	42°	45°	48°	49°	49°	48°	47°	46°
Feels like	49°	44°	42°	39°	42°	45°	48°	49°	49°	48°	47°	45°
Pressure, inHg	30.06	30.06	30.06	30.06	30.06	30.06	30.06	30.06	30.03	30.00	30.00	30.03
Wind, mph	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	1.1	1.2	1.2	1.4
Humidity, %	70%	70%	70%	70%	70%	70%	70%	70%	72%	81%	92%	91%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0.01 in	0.02 in	0.01 in	0 in
Visibility	—	—	—	—	—	—	—	—	6.0 mi	2.9 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	45°	44°	43°	43°	44°	47°	49°	50°	49°	50°	49°	48°
Feels like	45°	44°	43°	43°	43°	47°	49°	49°	49°	50°	49°	48°
Pressure, inHg	30.06	30.09	30.09	30.15	30.15	30.18	30.18	30.18	30.15	30.15	30.15	30.15
Wind, mph	0.9	0.9	0.4	1	1.5	1.4	1.2	1.5	0.7	1.1	1.3	1.2
Humidity, %	91%	94%	100%	99%	95%	95%	93%	93%	96%	97%	97%	97%
Precipitation	0 in	0 in	0 in	0 in	0 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0 in
Visibility	6.2 mi	6.2 mi	2.2 mi	—	0.0 mi	0.4 mi	3.5 mi	6.2 mi	3.4 mi	4.5 mi	5.5 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	47°	46°	46°	41°	42°	46°	52°	56°	52°	48°	45°	42°
Feels like	47°	46°	46°	41°	42°	46°	51°	55°	51°	48°	45°	42°
Pressure, inHg	30.15	30.15	30.12	30.12	30.15	30.15	30.09	30.03	30.00	29.97	29.97	29.97
Wind, mph	1	1.1	0.6	0.7	0.9	0.3	1.3	1.4	0.6	0.4	0.3	0.4
Humidity, %	99%	100%	100%	100%	98%	96%	84%	72%	80%	84%	90%	94%
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	—	—	0.5 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	40°	39°	39°	39°	40°	44°	50°	54°	50°	47°	44°	42°
Feels like	40°	39°	39°	39°	40°	44°	49°	52°	49°	47°	44°	42°
Pressure, inHg	29.97	29.94	29.94	29.91	29.91	29.91	29.85	29.80	29.74	29.71	29.71	29.65
Wind, mph	0.3	0.5	0.2	0.4	0.5	1	1.3	1.6	1	1	0.4	0.6
Humidity, %	97%	100%	100%	99%	97%	88%	78%	67%	75%	79%	86%	92%
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	0.4 mi	0.4 mi	0.9 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	3.7 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°	40°	38°	38°	43°	51°	56°	58°	54°	56°	55°	53°
Feels like	41°	40°	38°	36°	39°	49°	54°	56°	51°	53°	53°	51°
Pressure, inHg	29.62	29.59	29.56	29.53	29.50	29.47	29.41	29.38	29.47	29.47	29.47	29.47
Wind, mph	1.1	1.3	1.3	1.7	2.3	3.1	3.2	2.9	3.4	3.4	3.4	3.4
Humidity, %	92%	92%	93%	89%	81%	67%	55%	51%	67%	67%	67%	67%
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	3.7 mi	4.1 mi	4.9 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	48°	42°	44°	46°	47°	47°	48°	48°	48°	48°	47°	44°
Feels like	48°	40°	43°	46°	45°	45°	44°	44°	45°	45°	44°	42°
Pressure, inHg	29.56	29.56	29.56	29.56	29.56	29.56	29.56	29.56	29.56	29.56	29.56	29.56
Wind, mph	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8
Humidity, %	87%	87%	87%	87%	87%	87%	87%	87%	87%	87%	87%	87%
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	44°	44°	42°	39°	40°	42°	44°	44°	45°	45°	45°	45°
Feels like	44°	41°	38°	35°	37°	38°	39°	40°	40°	41°	41°	42°
Pressure, inHg	29.77	29.77	29.77	29.77	29.77	29.77	29.77	29.77	29.77	29.77	29.77	29.77
Wind, mph	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4
Humidity, %	81%	81%	81%	81%	81%	81%	81%	81%	81%	81%	81%	81%
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 — 9 h 33 min

Sunrise — 06:53

Sunset — 16:26

Sunrise and sunset in local time

New moon, 0%

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)