Observed 3:30 AM PDT at KSEA
Federal Way, WA weather
Mostly cloudy and 48°9°.
Today: low 42°6° (likely 40°4° to 42°6°), high 59°15° (likely 55°13° to 59°15°).
Now 48°9°
Mostly cloudy
- Wind
- 3 mph5 km/h
- From the east-northeast. Up to 5 mph8 km/h through 4 PM
- Dew point
- 45°7°
- Comfortable
- UV tomorrow
- 3Moderate
- Moderate 12–3 PM · peak 3
- Air quality
- 52Moderate
- PM2.5 (fine particles) · tomorrow good
- Pressure
- 30.16 inHg1021 hPa
- Rising · +0.06 inHg+1.9 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
TonightNear 44°7° · Partly cloudy
This morningUp to 50°10° by 11 AM · Partly cloudy
This afternoonUp to 58°14° by 4 PM · Clear
TonightDown to 40°4° by 3 AM · Partly cloudy
Tomorrow morningUp to 48°9° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 57°14° by 4 PM · Cloudy
Tomorrow nightDown to 45°7° by 1 AM · Rain 11 PM–4 AM (40%)
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 4a | Partly cloudy | 44°7° (likely 42°6° to 46°8°) | 42°6° | 5% | 3 mph5 km/h from E, gusts 5 mph8 km/h | 91% | 27% | 0 |
| Fri 5a | Partly cloudy | 43°6° (likely 41°5° to 45°7°) | 43°6° | 0% | 2 mph3 km/h from ESE, gusts 4 mph7 km/h | 92% | 29% | 0 |
| Fri 6a | Partly cloudy | 42°6° (likely 41°5° to 44°7°) | 42°6° | 0% | 1 mph2 km/h from ESE, gusts 4 mph6 km/h | 92% | 30% | 0 |
| Fri 7a | Clear | 42°6° (likely 41°5° to 44°7°) | 42°6° | 5% | 0 mph0 km/h, gusts 3 mph5 km/h | 93% | 32% | 0 |
| Fri 8a | Mostly cloudy | 42°6° (likely 40°4° to 45°7°) | 42°6° | 5% | 1 mph2 km/h from S, gusts 3 mph4 km/h | 94% | 40% | 0 |
| Fri 9a | Sunny | 44°7° (likely 43°6° to 47°8°) | 44°7° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 94% | 33% | 0 |
| Fri 10a | Mostly cloudy | 47°8° (likely 47°8° to 49°9°) | 45°7° | 0% | 5 mph8 km/h from N, gusts 2 mph4 km/h | 94% | 39% | 0 |
| Fri 11a | Partly sunny | 50°10° (likely 50°10° to 52°11°) | 48°9° | 0% | 5 mph8 km/h from N, gusts 6 mph9 km/h | 89% | 40% | 1 |
| Fri 12p | Partly sunny | 52°11° (likely 52°11° to 53°12°) | 52°11° | 0% | 3 mph5 km/h from N, gusts 7 mph11 km/h | 82% | 39% | 1 |
| Fri 1p | Partly sunny | 55°13° (likely 54°12° to 55°13°) | 55°13° | 0% | 3 mph5 km/h from NNW, gusts 10 mph16 km/h | 75% | 25% | 1 |
| Fri 2p | Sunny | 56°13° (likely 55°13° to 56°13°) | 56°13° | 0% | 5 mph8 km/h from NNW, gusts 10 mph16 km/h | 70% | 27% | 1 |
| Fri 3p | Sunny | 57°14° (likely 55°13° to 57°14°) | 57°14° | 0% | 5 mph8 km/h from N, gusts 11 mph18 km/h | 66% | 24% | 1 |
| Fri 4p | Mostly sunny | 58°14° (likely 55°13° to 58°14°) | 58°14° | 0% | 5 mph8 km/h from N, gusts 10 mph15 km/h | 63% | 15% | 1 |
| Fri 5p | Sunny | 57°14° (likely 54°12° to 57°14°) | 57°14° | 0% | 3 mph5 km/h from N, gusts 8 mph13 km/h | 64% | 8% | 1 |
| Fri 6p | Clear | 54°12° (likely 51°11° to 54°12°) | 54°12° | 0% | 3 mph5 km/h from NNW, gusts 5 mph7 km/h | 72% | 3% | 0 |
| Fri 7p | Clear | 51°11° (likely 48°9° to 51°11°) | 51°11° | 0% | 3 mph5 km/h from N, gusts 2 mph4 km/h | 78% | 3% | 0 |
| Fri 8p | Clear | 47°8° (likely 46°8° to 48°9°) | 46°8° | 0% | 3 mph5 km/h from E, gusts 2 mph3 km/h | 83% | 11% | 0 |
| Fri 9p | Mostly clear | 45°7° (likely 44°7° to 47°8°) | 44°7° | 0% | 3 mph5 km/h from E, gusts 3 mph5 km/h | 85% | 10% | 0 |
| Fri 10p | Mostly clear | 44°7° (likely 42°6° to 46°8°) | 42°6° | 0% | 3 mph5 km/h from ESE, gusts 4 mph7 km/h | 86% | 15% | 0 |
| Fri 11p | Mostly clear | 43°6° (likely 40°4° to 45°7°) | 41°5° | 0% | 3 mph5 km/h from ESE, gusts 5 mph9 km/h | 88% | 50% | 0 |
| Sat 12a | Mostly clear | 42°6° (likely 39°4° to 44°7°) | 42°6° | 0% | 2 mph3 km/h from SSE, gusts 6 mph9 km/h | 90% | 54% | 0 |
| Sat 1a | Mostly clear | 41°5° (likely 38°3° to 43°6°) | 41°5° | 0% | 2 mph3 km/h from S, gusts 6 mph10 km/h | 90% | 65% | 0 |
| Sat 2a | Partly cloudy | 41°5° (likely 37°3° to 44°7°) | 41°5° | 0% | 1 mph2 km/h from SE, gusts 5 mph8 km/h | 88% | 64% | 0 |
| Sat 3a | Mostly clear | 40°4° (likely 37°3° to 43°6°) | 40°4° | 0% | 2 mph3 km/h from SE, gusts 5 mph7 km/h | 88% | 63% | 0 |
| Sat 4a | Partly cloudy | 40°4° (likely 36°2° to 43°6°) | 40°4° | 0% | 2 mph3 km/h from ESE, gusts 4 mph7 km/h | 87% | 64% | 0 |
| Sat 5a | Mostly cloudy | 40°4° (likely 35°2° to 42°6°) | 40°4° | 0% | 1 mph2 km/h from E, gusts 4 mph6 km/h | 87% | 66% | 0 |
| Sat 6a | Mostly cloudy | 38°3° (likely 35°2° to 42°6°) | 38°3° | 0% | 2 mph3 km/h from ESE, gusts 3 mph6 km/h | 88% | 67% | 0 |
| Sat 7a | Mostly cloudy | 39°4° (likely 34°1° to 41°5°) | 39°4° | 0% | 1 mph2 km/h from E, gusts 4 mph6 km/h | 88% | 74% | 0 |
| Sat 8a | Cloudy | 39°4° (likely 34°1° to 41°5°) | 39°4° | 0% | 1 mph2 km/h from ESE, gusts 3 mph5 km/h | 87% | 75% | 0 |
| Sat 9a | Cloudy | 41°5° (likely 37°3° to 43°6°) | 41°5° | 0% | 1 mph2 km/h from ESE, gusts 3 mph5 km/h | 85% | 73% | 0 |
| Sat 10a | Cloudy | 45°7° (likely 42°6° to 48°9°) | 45°7° | 0% | 0 mph0 km/h, gusts 2 mph4 km/h | 82% | 80% | 1 |
| Sat 11a | Cloudy | 48°9° (likely 46°8° to 52°11°) | 48°9° | 0% | 1 mph2 km/h from NW, gusts 4 mph6 km/h | 76% | 85% | 2 |
| Sat 12p | Cloudy | 50°10° (likely 48°9° to 55°13°) | 50°10° | 0% | 2 mph3 km/h from NW, gusts 4 mph7 km/h | 72% | 85% | 3 |
| Sat 1p | Cloudy | 53°12° (likely 50°10° to 57°14°) | 53°12° | 0% | 2 mph3 km/h from NW, gusts 5 mph9 km/h | 68% | 81% | 3 |
| Sat 2p | Cloudy | 55°13° (likely 51°11° to 58°14°) | 55°13° | 0% | 3 mph5 km/h from WNW, gusts 5 mph8 km/h | 64% | 80% | 3 |
| Sat 3p | Cloudy | 56°13° (likely 52°11° to 58°14°) | 56°13° | 0% | 2 mph3 km/h from WNW, gusts 5 mph8 km/h | 61% | 95% | 1 |
| Sat 4p | Cloudy | 57°14° (likely 52°11° to 58°14°) | 57°14° | 0% | 2 mph3 km/h from NW, gusts 6 mph10 km/h | 60% | 97% | 1 |
| Sat 5p | Cloudy | 56°13° (likely 51°11° to 57°14°) | 56°13° | 10% | 3 mph5 km/h from N, gusts 7 mph11 km/h | 63% | 95% | 1 |
| Sat 6p | Cloudy | 53°12° (likely 49°9° to 53°12°) | 53°12° | 10% | 3 mph5 km/h from N, gusts 3 mph4 km/h | 68% | 80% | 0 |
| Sat 7p | Cloudy | 50°10° (likely 48°9° to 51°11°) | 49°9° | 10% | 3 mph5 km/h from N, gusts 3 mph5 km/h | 72% | 77% | 0 |
| Sat 8p | Cloudy | 48°9° (likely 46°8° to 51°11°) | 47°8° | 10% | 3 mph5 km/h from N, gusts 4 mph6 km/h | 75% | 76% | 0 |
| Sat 9p | Mostly cloudy | 47°8° (likely 45°7° to 49°9°) | 46°8° | 10% | 3 mph5 km/h from N, gusts 5 mph8 km/h | 78% | 77% | 0 |
| Sat 10p | Mostly cloudy | 46°8° (likely 44°7° to 47°8°) | 45°7° | 10% | 3 mph5 km/h from N, gusts 5 mph8 km/h | 80% | 77% | 0 |
| Sat 11p | Rain | 46°8° (likely 43°6° to 46°8°) | 46°8° | 40%, 0.05 in1.3 mm | 2 mph3 km/h from NE, gusts 5 mph8 km/h | 81% | 76% | 0 |
| Sun 12a | Rain | 46°8° (likely 41°5° to 46°8°) | 46°8° | 40%, 0.05 in1.3 mm | 2 mph3 km/h from NE, gusts 5 mph7 km/h | 82% | 79% | 0 |
| Sun 1a | Rain | 45°7° (likely 41°5° to 46°8°) | 45°7° | 40%, 0.05 in1.3 mm | 2 mph3 km/h from NE, gusts 5 mph8 km/h | 83% | 81% | 0 |
| Sun 2a | Rain | 45°7° (likely 42°6° to 45°7°) | 45°7° | 40%, 0.05 in1.3 mm | 2 mph3 km/h from NE, gusts 4 mph6 km/h | 84% | 95% | 0 |
| Sun 3a | Rain | 45°7° (likely 42°6° to 45°7°) | 45°7° | 40%, 0.05 in1.3 mm | 2 mph3 km/h from NE, gusts 4 mph6 km/h | 85% | 89% | 0 |
Days ahead
Today, Oct 23. Cloudy. High 59°15°, low 42°6°. Typical 58°14° / 45°7°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 42°6°Dry
Afternoon
noon–6 PM
Sunny, 58°14°Dry
Evening
6 PM–midnight
Mostly clear, 47°8°Dry
Overnight
midnight–6 AM
Mostly clear, 40°4°Dry
Official NWS forecast
Today: Mostly sunny. High near 59, with temperatures falling to around 57 in the afternoon. North northwest wind 0 to 5 mph.
Tonight: Partly cloudy, with a low around 42. East southeast wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 55°13°–59°15°
- Low, likely
- 40°4°–42°6°
- Typical high / low
- 58°14° / 45°7°
- Wind
- 7 mph10 km/h, gusts 14 mph22 km/h
- UV peak
- 2
Tomorrow, Oct 24. Cloudy. High 58°14°, low 42°6°. Typical 58°14° / 45°7°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 39°4°Dry
Afternoon
noon–6 PM
Cloudy, 57°14°Dry
Evening
6 PM–midnight
Rain, 48°9°40% chance · 0.05 in1.3 mm
Overnight
midnight–6 AM
Rain, 44°6°50% chance · 0.2 in5.2 mm
Official NWS forecast
Day: Mostly cloudy, with a high near 58. North wind 0 to 3 mph.
Night: Rain likely after 11pm. Mostly cloudy, with a low around 42. Northeast wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 52°11°–58°14°
- Low, likely
- 34°1°–42°6°
- Typical high / low
- 58°14° / 45°7°
- Wind
- 6 mph10 km/h
- UV peak
- 3
Sunday, Oct 25. Rain. High 59°15°, low 43°6°. Typical 57°14° / 45°7°. Rain 0.34 in8.6 mm, 60% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 43°6°60% chance · 0.14 in3.6 mm
Afternoon
noon–6 PM
Sunny, 55°13°50% chance · 0.1 in2.6 mm
Evening
6 PM–midnight
Drizzle, 49°9°50% chance · 0.07 in1.8 mm
Overnight
midnight–6 AM
Drizzle, 46°8°40% chance · 0.03 in0.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 59. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Night: A chance of rain. Mostly cloudy, with a low around 43.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 52°11°–59°15°
- Low, likely
- 41°5°–43°6°
- Typical high / low
- 57°14° / 45°7°
- Wind
- 9 mph15 km/h, gusts 18 mph29 km/h
- UV peak
- 3
Monday, Oct 26. Rain. High 59°15°, low 42°6°. Typical 57°14° / 45°7°. Rain 0.12 in3 mm, 30% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 45°7°30% chance · 0.05 in1.4 mm
Afternoon
noon–6 PM
Sunny, 57°14°20% chance · 0.03 in0.7 mm
Evening
6 PM–midnight
Clear, 48°9°30% chance
Overnight
midnight–6 AM
Clear, 43°6°30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 59.
Night: A slight chance of rain. Mostly cloudy, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 55°13°–59°15°
- Low, likely
- 42°6°–46°8°
- Typical high / low
- 57°14° / 45°7°
- Wind
- 7 mph12 km/h
- UV peak
- 3
Tuesday, Oct 27. Rain. High 59°15°, low 42°6°. Typical 57°14° / 45°7°. Rain 0.03 in0.8 mm, 20% chance. Forecasts agree.
Morning
6 AM–noon
Sunny, 44°6°20% chance
Afternoon
noon–6 PM
Mostly sunny, 56°13°Dry
Evening
6 PM–midnight
Partly cloudy, 48°9°Dry
Overnight
midnight–6 AM
Cloudy, 44°7°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain. Partly sunny, with a high near 59.
Night: A chance of rain. Mostly cloudy, with a low around 42.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 54°12°–59°15°
- Low, likely
- 40°4°–47°8°
- Typical high / low
- 57°14° / 45°7°
- Wind
- 12 mph19 km/h, gusts 22 mph35 km/h
- UV peak
- 3
Wednesday, Oct 28. Rain. High 58°14°, low 41°5°. Typical 56°13° / 44°7°. Rain 0.19 in4.8 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Sunny, 43°6°30% chance · 0.07 in1.8 mm
Afternoon
noon–6 PM
Sunny, 54°12°20% chance · 0.05 in1.3 mm
Evening
6 PM–midnight
Clear, 47°8°20% chance · 0.03 in0.8 mm
Overnight
midnight–6 AM
Clear, 41°5°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 58.
Night: A slight chance of rain. Mostly cloudy, with a low around 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 51°11°–59°15°
- Low, likely
- 40°4°–45°7°
- Typical high / low
- 56°13° / 44°7°
- Wind
- 10 mph15 km/h, gusts 23 mph37 km/h
- UV peak
- 3
Thursday, Oct 29. Rain. High 58°14°, low 39°4°. Typical 56°13° / 44°7°. Rain 0.14 in3.6 mm, 20% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 40°5°Dry
Afternoon
noon–6 PM
Mostly sunny, 54°12°Dry
Evening
6 PM–midnight
Clear, 46°8°Dry
Overnight
midnight–6 AM
Clear, 38°3°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain. Partly sunny, with a high near 58.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 51°11°–58°14°
- Low, likely
- 37°3°–42°6°
- Typical high / low
- 56°13° / 44°7°
- Wind
- 5 mph9 km/h, gusts 18 mph29 km/h
- UV peak
- 3
Friday, Oct 30. Partly sunny. High 53°12°, low 38°3°. Typical 56°13° / 44°7°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 39°4°Dry
Afternoon
noon–6 PM
Sunny, 52°11°Dry
Evening
6 PM–midnight
Mostly clear, 47°8°Dry
Overnight
midnight–6 AM
Partly cloudy, 40°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 differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 47°8°–57°14°
- Low, likely
- 35°2°–40°4°
- Typical high / low
- 56°13° / 44°7°
- Wind
- 4 mph7 km/h, gusts 10 mph16 km/h
- UV peak
- 3
Saturday, Oct 31. Cloudy. High 55°13°, low 40°4°. Typical 56°13° / 44°7°. Dry. Forecasts differ.
Morning
6 AM–noon
Partly sunny, 42°5°Dry
Afternoon
noon–6 PM
Sunny, 55°13°Dry
Evening
6 PM–midnight
Clear, 48°9°Dry
Overnight
midnight–6 AM
Clear, 42°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 differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 51°11°–59°15°
- Low, likely
- 37°3°–41°5°
- Typical high / low
- 56°13° / 44°7°
- Wind
- 7 mph10 km/h
- UV peak
- 3
Sunday, Nov 1. Sunny. High 56°13°, low 41°5°. Typical 55°13° / 44°7°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 42°5°Dry
Afternoon
noon–6 PM
Sunny, 54°12°Dry
Evening
6 PM–midnight
Clear, 49°10°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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 54°12°–58°14°
- Low, likely
- 36°2°–44°7°
- Typical high / low
- 55°13° / 44°7°
- Wind
- 6 mph10 km/h
- UV peak
- 3
The outlook
Today
Dry, high 59°, low 42°.
Tomorrow
Dry, high 58°, low 42°.
Sunday
58% chance of rain, high 59°, low 43°.
Rest of week
Mostly dry, highs 53–59°.
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
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 65% less heating than a typical week.
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 13 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 45°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?
Oct 23, today vs a typical year
Today’s expected high is about typical for the date.
- Normal high / low
- 58°14° / 45°7°
- Forecast high / low
- 59°15° / 42°6°
- Record high
- 73°23° in 1965
- Record low
- 32°0° in 1953
Last 7 days vs normal
On average 1° warmer than normal (daily mean temperature).
- +2°+1°SatOct 17
- −1°SunOct 18
- +2°+1°MonOct 19
- +2°+1°TueOct 20
- +2°+1°WedOct 21
- —ThuOct 22
- —FriOct 23
Federal Way weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:39 AM, sunset 6:06 PM.
- Daylight
- 10 h 27 min
- Losing 3 min 17 s a day; shortest Dec 21, 1 h 59 min less
- Golden hour
- 5:23–6:26 PM
- Morning 7:20–8:22 AM
- Blue hour
- 6:26–6:38 PM
- Morning 7:08–7:20 AM; first light 7:08 AM
Stars tonight? Poor
Clouds most of the night (about 29% cover).
Moon
Waxing gibbous
91% lit · growing
- Today
- sets 4:41 AM · rises 4:48 PM
- Full moon
- Oct 25
- New moon
- Nov 8
