Observed 10:15 AM PDT at KPLU

Sumner, WA weather

Rainy and 46°8°, rain tomorrow ~5–6 AM (54%).

Mostly agree

Now 46°8°

Rain

Wind: Calm; Light through 11 PM
Dew point: 36°2°; Comfortable
UV tomorrow: 2Low; Low all day (peak 2)
Air quality: 58Moderate; PM2.5 (fine particles) · tomorrow good
Pressure: 30.19 inHg1022 hPa; Falling · −0.05 inHg−1.5 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (48°9° then, 46°8° now)

Good hours for

Dry until tomorrow 5 AM
High 58°14° today at 4 PM
Below 50°10° tonight after 8 PM
Rain tonight 5–7 AM (50%, 0.1 in2.5 mm)
Rain tomorrow 9 AM–11 PM (60%, 0.46 in12 mm)

This afternoonUp to 58°14° by 4 PM · Mostly cloudy
TonightDown to 42°6° by 2 AM · Rain 5–6 AM (50%)
Tomorrow morningUp to 49°9° by 11 AM · Rain 6–7 AM (50%)
Tomorrow afternoonUp to 58°14° by 4 PM · Rain all afternoon (60%)
Tomorrow nightDown to 43°6° by 4 AM · Rain 6–11 PM (40%)
Monday morningUp to 47°8° by 10 AM · Cloudy · rain chance 20%

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 11a	Cloudy	48°9° (likely 48°9° to 51°11°)	48°9°	5%	0 mph0 km/h, gusts 3 mph4 km/h	75%	76%	1
Sat 12p	Cloudy	50°10° (likely 50°10° to 53°12°)	50°10°	0%	0 mph0 km/h, gusts 2 mph4 km/h	71%	90%	2
Sat 1p	Cloudy	54°12° (likely 52°11° to 56°13°)	54°12°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	66%	80%	2
Sat 2p	Cloudy	56°13° (likely 53°12° to 58°14°)	56°13°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	62%	85%	1
Sat 3p	Cloudy	57°14° (likely 54°12° to 59°15°)	57°14°	0%	1 mph2 km/h from WNW, gusts 4 mph7 km/h	59%	84%	1
Sat 4p	Cloudy	58°14° (likely 54°12° to 59°15°)	58°14°	0%	1 mph2 km/h from WNW, gusts 5 mph9 km/h	58%	77%	0
Sat 5p	Cloudy	56°13° (likely 52°11° to 58°14°)	56°13°	0%	1 mph2 km/h from NNW, gusts 6 mph9 km/h	61%	89%	1
Sat 6p	Cloudy	55°13° (likely 50°10° to 55°13°)	55°13°	0%	1 mph2 km/h from NNW, gusts 3 mph5 km/h	65%	86%	0
Sat 7p	Cloudy	52°11° (likely 49°9° to 52°11°)	52°11°	0%	1 mph2 km/h from NE, gusts 3 mph5 km/h	70%	80%	0
Sat 8p	Cloudy	48°9° (likely 47°8° to 50°10°)	48°9°	0%	1 mph2 km/h from E, gusts 3 mph4 km/h	75%	82%	0
Sat 9p	Cloudy	47°8° (likely 46°8° to 48°9°)	47°8°	0%	1 mph2 km/h from ESE, gusts 3 mph5 km/h	78%	87%	0
Sat 10p	Cloudy	46°8° (likely 46°8° to 48°9°)	46°8°	0%	1 mph2 km/h from SSE, gusts 2 mph4 km/h	80%	86%	0
Sat 11p	Cloudy	45°7° (likely 45°7° to 48°9°)	45°7°	5%, 0.02 in0.5 mm	1 mph2 km/h from SSE, gusts 4 mph6 km/h	82%	91%	0
Sun 12a	Cloudy	44°7° (likely 43°6° to 48°9°)	44°7°	5%, 0.02 in0.5 mm	1 mph2 km/h from SE, gusts 3 mph5 km/h	83%	97%	0
Sun 1a	Cloudy	43°6° (likely 43°6° to 48°9°)	43°6°	5%, 0.02 in0.5 mm	1 mph2 km/h from SE, gusts 5 mph7 km/h	84%	95%	0
Sun 2a	Cloudy	42°6° (likely 42°6° to 47°8°)	42°6°	10%, 0.02 in0.5 mm	1 mph2 km/h from SSE, gusts 5 mph8 km/h	84%	97%	0
Sun 3a	Cloudy	42°6° (likely 42°6° to 47°8°)	42°6°	10%, 0.02 in0.5 mm	1 mph2 km/h from SE, gusts 4 mph6 km/h	85%	61%	0
Sun 4a	Cloudy	42°6° (likely 42°6° to 48°9°)	42°6°	10%, 0.02 in0.5 mm	1 mph2 km/h from ESE, gusts 3 mph5 km/h	85%	98%	0
Sun 5a	Cloudy	42°6° (likely 41°5° to 48°9°)	42°6°	50%, 0.05 in1.3 mm	1 mph2 km/h from NE, gusts 4 mph7 km/h	84%	89%	0
Sun 6a	Rain	41°5° (likely 41°5° to 48°9°)	41°5°	50%, 0.05 in1.3 mm	1 mph2 km/h from NE, gusts 5 mph8 km/h	85%	97%	0
Sun 7a	Rain	40°4° (likely 40°4° to 47°8°)	40°4°	20%, 0.05 in1.3 mm	1 mph2 km/h from NE, gusts 6 mph10 km/h	87%	95%	0
Sun 8a	Rain	41°5° (likely 41°5° to 47°8°)	41°5°	20%, 0.05 in1.3 mm	1 mph2 km/h from NE, gusts 7 mph11 km/h	90%	69%	0
Sun 9a	Rain	42°6° (likely 42°6° to 48°9°)	42°6°	30%, 0.05 in1.3 mm	1 mph2 km/h from NE, gusts 6 mph10 km/h	95%	100%	0
Sun 10a	Rain	46°8° (likely 45°7° to 49°9°)	46°8°	30%, 0.05 in1.3 mm	1 mph2 km/h from NE, gusts 6 mph10 km/h	95%	100%	0
Sun 11a	Drizzle	49°9° (likely 47°8° to 49°9°)	49°9°	50%, 0.05 in1.3 mm	1 mph2 km/h from E, gusts 6 mph9 km/h	90%	100%	0
Sun 12p	Rain	52°11° (likely 48°9° to 52°11°)	52°11°	60%, 0.05 in1.3 mm	1 mph2 km/h from E, gusts 6 mph10 km/h	86%	100%	2
Sun 1p	Rain	55°13° (likely 49°9° to 55°13°)	55°13°	40%, 0.05 in1.3 mm	1 mph2 km/h from E, gusts 12 mph20 km/h	81%	100%	1
Sun 2p	Rain	56°13° (likely 50°10° to 56°13°)	56°13°	40%, 0.05 in1.3 mm	2 mph3 km/h from ENE, gusts 9 mph14 km/h	77%	100%	1
Sun 3p	Rain	57°14° (likely 51°11° to 57°14°)	57°14°	50%, 0.05 in1.3 mm	2 mph3 km/h from ENE, gusts 10 mph16 km/h	75%	98%	1
Sun 4p	Rain	58°14° (likely 51°11° to 58°14°)	58°14°	60%, 0.05 in1.3 mm	2 mph3 km/h from ENE, gusts 11 mph18 km/h	73%	97%	1
Sun 5p	Drizzle	56°13° (likely 51°11° to 56°13°)	56°13°	40%, 0.01 in0.3 mm	2 mph3 km/h from N, gusts 7 mph11 km/h	76%	97%	1
Sun 6p	Drizzle	55°13° (likely 50°10° to 55°13°)	55°13°	40%, 0.01 in0.3 mm	2 mph3 km/h from N, gusts 7 mph11 km/h	78%	97%	0
Sun 7p	Rain	52°11° (likely 49°9° to 52°11°)	52°11°	40%, 0.01 in0.3 mm	2 mph3 km/h from N, gusts 7 mph11 km/h	82%	97%	0
Sun 8p	Rain	49°9° (likely 48°9° to 50°10°)	49°9°	40%, 0.01 in0.3 mm	2 mph3 km/h from ENE, gusts 4 mph6 km/h	87%	100%	0
Sun 9p	Rain	47°8° (likely 47°8° to 50°10°)	47°8°	40%, 0.01 in0.3 mm	2 mph3 km/h from ENE, gusts 3 mph4 km/h	89%	99%	0
Sun 10p	Cloudy	47°8° (likely 46°8° to 49°9°)	47°8°	40%, 0.01 in0.3 mm	2 mph3 km/h from ENE, gusts 5 mph8 km/h	90%	95%	0
Sun 11p	Cloudy	46°8° (likely 45°7° to 49°9°)	46°8°	40%	1 mph2 km/h from ENE, gusts 5 mph8 km/h	91%	79%	0
Mon 12a	Rain	45°7° (likely 45°7° to 49°9°)	45°7°	40%	1 mph2 km/h from ENE, gusts 5 mph8 km/h	92%	86%	0
Mon 1a	Rain	45°7° (likely 45°7° to 49°9°)	45°7°	40%	1 mph2 km/h from ENE, gusts 2 mph4 km/h	92%	74%	0
Mon 2a	Rain	44°7° (likely 44°7° to 49°9°)	44°7°	40%	1 mph2 km/h from ENE, gusts 2 mph4 km/h	93%	71%	0
Mon 3a	Rain	44°7° (likely 43°6° to 48°9°)	44°7°	40%	1 mph2 km/h from ENE, gusts 3 mph5 km/h	94%	76%	0
Mon 4a	Rain	43°6° (likely 42°6° to 48°9°)	43°6°	40%	1 mph2 km/h from ENE, gusts 3 mph5 km/h	94%	86%	0
Mon 5a	Rain	43°6° (likely 41°5° to 48°9°)	43°6°	20%	1 mph2 km/h from E, gusts 4 mph6 km/h	95%	87%	0
Mon 6a	Rain	42°6° (likely 40°4° to 48°9°)	42°6°	20%	1 mph2 km/h from E, gusts 3 mph5 km/h	96%	100%	0
Mon 7a	Rain	42°6° (likely 40°4° to 48°9°)	42°6°	20%	1 mph2 km/h from E, gusts 3 mph5 km/h	98%	100%	0
Mon 8a	Rain	42°6° (likely 40°4° to 47°8°)	42°6°	20%	1 mph2 km/h from E, gusts 3 mph5 km/h	99%	98%	0
Mon 9a	Cloudy	44°7° (likely 43°6° to 48°9°)	44°7°	20%	1 mph2 km/h from E, gusts 3 mph5 km/h	100%	92%	0
Mon 10a	Rain	47°8° (likely 45°7° to 50°10°)	47°8°	20%	1 mph2 km/h from E, gusts 4 mph6 km/h	100%	71%	1

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 58°14°, low 40°4°. Typical 58°14° / 45°7°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Cloudy, 58°14°
  Dry
2. Evening
  6 PM–midnight
  Cloudy, 48°9°
  Dry
3. Overnight
  midnight–6 AM
  Cloudy, 42°6°
  50% chance · 0.15 in3.8 mm
Official NWS forecast
Today: Partly sunny. High near 58, with temperatures falling to around 56 in the afternoon. West northwest wind around 1 mph.
Tonight: A chance of rain after 5am. Mostly cloudy. Low around 40, with temperatures rising to around 42 overnight. East southeast wind around 1 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
53°12°–59°15°
Low, likely
35°2°–40°4°
Typical high / low
58°14° / 45°7°
Wind
4 mph7 km/h
UV peak
2
Tomorrow, Oct 25. Rain. High 58°14°, low 42°6°. Typical 57°14° / 45°7°. Rain 0.51 in13 mm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 41°5°
  50% chance · 0.3 in7.6 mm
2. Afternoon
  noon–6 PM
  Rain, 58°14°
  60% chance · 0.26 in6.6 mm
3. Evening
  6 PM–midnight
  Rain, 49°9°
  40% chance · 0.05 in1.3 mm
4. Overnight
  midnight–6 AM
  Rain, 43°6°
  40% chance
Official NWS forecast
Day: Rain likely. Mostly cloudy. High near 58, with temperatures falling to around 56 in the afternoon. Northeast wind around 2 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: A chance of rain. Mostly cloudy, with a low around 42. Northeast wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–58°14°
Low, likely
41°5°–46°8°
Typical high / low
57°14° / 45°7°
Wind
8 mph13 km/h, gusts 17 mph27 km/h
UV peak
2
Monday, Oct 26. Rain. High 60°16°, low 41°5°. Typical 57°14° / 45°7°. Rain 0.13 in3.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 42°6°
  20% chance
2. Afternoon
  noon–6 PM
  Mostly sunny, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 51°11°
  30% chance · 0.05 in1.2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 48°9°
  50% chance · 0.05 in1.2 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain before 11am. Partly sunny, with a high near 60. North northeast wind around 1 mph. Chance of precipitation is 20%.
Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 41. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–60°16°
Low, likely
40°4°–47°8°
Typical high / low
57°14° / 45°7°
Wind
5 mph8 km/h
UV peak
3
Tuesday, Oct 27. Rain. High 60°16°, low 40°4°. Typical 57°14° / 45°7°. Rain 0.16 in4.1 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  40% chance · 0.03 in0.6 mm
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  40% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Clear, 49°9°
  40% chance · 0.02 in0.6 mm
4. Overnight
  midnight–6 AM
  Rain, 47°8°
  70% chance · 0.13 in3.2 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain. Mostly cloudy, with a high near 60.
Night: A chance of rain. Mostly cloudy, with a low around 40.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–60°16°
Low, likely
40°4°–48°9°
Typical high / low
57°14° / 45°7°
Wind
13 mph21 km/h, gusts 26 mph42 km/h
UV peak
3
Wednesday, Oct 28. Rain. High 57°14°, low 37°3°. Typical 56°13° / 44°7°. Rain 0.42 in11 mm, 60% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 46°8°
  70% chance · 0.1 in2.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 52°11°
  90% chance · 0.13 in3.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 45°7°
  70% chance · 0.05 in1.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 43°6°
  60% chance · 0.11 in2.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 57.
Night: Rain likely. Mostly cloudy, with a low around 37.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
51°11°–57°14°
Low, likely
37°3°–45°7°
Typical high / low
56°13° / 44°7°
Wind
13 mph20 km/h, gusts 26 mph41 km/h
UV peak
2
Thursday, Oct 29. Rain. High 57°14°, low 35°2°. Typical 56°13° / 44°7°. Rain 0.35 in8.9 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 42°5°
  40% chance · 0.13 in3.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 47°8°
  50% chance · 0.11 in2.7 mm
3. Evening
  6 PM–midnight
  Drizzle, 43°6°
  40% chance · 0.03 in0.8 mm
4. Overnight
  midnight–6 AM
  Cloudy, 39°4°
  30% chance · 0.03 in0.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 57.
Night: A slight chance of rain before 5am. Mostly cloudy, with a low around 35.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
45°7°–57°14°
Low, likely
35°2°–42°6°
Typical high / low
56°13° / 44°7°
Wind
7 mph11 km/h, gusts 20 mph33 km/h
Friday, Oct 30. Rain. High 57°14°, low 35°2°. Typical 56°13° / 44°7°. Rain 0.07 in1.8 mm, 20% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 40°5°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 49°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after 5pm. Partly sunny, with a high near 57.
Night: A slight chance of rain before 11pm. Partly cloudy, with a low around 35.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
48°9°–57°14°
Low, likely
35°2°–39°4°
Typical high / low
56°13° / 44°7°
Wind
5 mph7 km/h, gusts 12 mph20 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 50°10°, low 38°3°. Typical 56°13° / 44°7°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 39°4°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
49°9°–52°11°
Low, likely
36°2°–39°4°
Typical high / low
56°13° / 44°7°
Wind
5 mph8 km/h
UV peak
2
Sunday, Nov 1. Cloudy. High 52°11°, low 39°4°. Typical 55°13° / 44°7°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
51°11°–53°12°
Low, likely
32°0°–43°6°
Typical high / low
55°13° / 44°7°
Wind
18 mph29 km/h, gusts 41 mph66 km/h
UV peak
2
Monday, Nov 2. Cloudy. High 53°12°, low 39°4°. Typical 55°13° / 43°6°. Rain 0.11 in2.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 53°12°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 44°7°
  20% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
49°9°–59°15°
Low, likely
35°2°–43°6°
Typical high / low
55°13° / 43°6°
Wind
17 mph27 km/h, gusts 39 mph62 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 58°, low 40°.
Tomorrow
62% chance of rain, high 58°, low 42°.
Monday
Dry, high 60°, low 41°.
Rest of week
Highs 50–60°; chance of precipitation on Wednesday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SEW) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

White River near Dieringer

0.6 mi

Level: 41.2 ft

Reading from Sat 6:30 AM · NWS gauge page

White River near Sumner

1.6 mi

Level: 59.5 ft

Reading from Sat 6:30 AM · NWS gauge page

White River at Pacific

2.3 mi

Level: 72.5 ft

Reading from Sat 6:30 AM · NWS gauge page

White River near Auburn

2.7 mi

Level: 82.2 ft
Flow: 3,670 cfs

Reading from Sat 10:15 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 67% less heating than a typical week.

This week 34Typical 101

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 28
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 11 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 36°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Seattle Tacoma Area · official normals 1991–2020 · records 1945–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 1°0° warmer than normal (daily mean temperature).

−1°SunOct 18
+2°+1°MonOct 19
+2°+1°TueOct 20
+2°+1°WedOct 21
+1°ThuOct 22
±0°FriOct 23
—SatOct 24

Sumner weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 24 min; Losing 3 min 12 s a day; shortest Dec 21, 1 h 56 min less
Golden hour: 5:21–6:24 PM; Morning 7:21–8:23 AM
Blue hour: 6:24–6:36 PM; Morning 7:09–7:21 AM; first light 7:09 AM

Stars tonight? Poor

Clouds most of the night (about 89% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:56 AM · rises 5:06 PM
Full moon: Oct 25
New moon: Nov 8

Looking southeast from Sumner. The highest point on the skyline is about 14,400 ft, 34 mi away.Skyline from USGS elevation data, heights drawn up to 4.5× taller. Sky, sun and moon as they are now.

Sumner, WA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

White River near Dieringer

White River near Sumner

White River at Pacific

White River near Auburn

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Poor

Moon