Washington Channel at SW Waterfront (IN MLLW)
2.2 mi- Level
- 2.2 ft
Forecast peak 4.7 ft Sat 7 PM, action stage
Reading from Fri 10:54 PM · NWS gauge page
Observed 11:35 PM EDT at KDCA
Washington, DC weather
Clear and 52°11°.
Today: low 42°6° (likely 42°6° to 50°10°), high 64°18° (likely 63°17° to 65°18°).
Now 52°11°
Clear
- Wind
- Calm
- Up to 5 mph8 km/h through 11 AM
- Dew point
- 43°6°
- Comfortable
- UV tomorrow
- 4Moderate
- Moderate 11 AM–5 PM · peak 4
- Air quality
- 56Moderate
- PM2.5 (fine particles) · tomorrow good
- Pressure
- 30.46 inHg1031 hPa
- Rising slowly · +0.02 inHg+0.8 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
About the same as this time yesterday (54°12° then, 53°12° now)
Good hours for
TonightDown to 43°6° by 5 AM · Clear
Tomorrow morningUp to 56°13° by 11 AM · Clear
Tomorrow afternoonUp to 64°18° by 4 PM · Clear
Tomorrow nightDown to 42°6° by 5 AM · Clear
Sunday morningUp to 58°14° by 11 AM · Clear
Sunday afternoonUp to 68°20° by 3 PM · Clear
Sunday nightDown to 50°10° by 10 PM · Clear
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 11p | Clear | 48°9° (likely 48°9° to 51°11°) | 47°8° | 0% | 3 mph5 km/h from E, gusts 7 mph11 km/h | 77% | 21% | 0 |
| Sat 12a | Clear | 47°8° (likely 47°8° to 50°10°) | 47°8° | 0% | 2 mph3 km/h from NE, gusts 6 mph9 km/h | 79% | 21% | 0 |
| Sat 1a | Clear | 46°8° (likely 46°8° to 50°10°) | 46°8° | 0% | 1 mph2 km/h from NE, gusts 5 mph8 km/h | 83% | 15% | 0 |
| Sat 2a | Clear | 46°8° (likely 44°7° to 48°9°) | 46°8° | 0% | 1 mph2 km/h from NE, gusts 5 mph8 km/h | 83% | 11% | 0 |
| Sat 3a | Clear | 44°7° (likely 44°7° to 47°8°) | 44°7° | 0% | 1 mph2 km/h from NE, gusts 4 mph7 km/h | 89% | 5% | 0 |
| Sat 4a | Clear | 44°7° (likely 43°6° to 46°8°) | 44°7° | 0% | 1 mph2 km/h from NE, gusts 5 mph7 km/h | 89% | 2% | 0 |
| Sat 5a | Clear | 43°6° (likely 42°6° to 45°7°) | 43°6° | 0% | 1 mph2 km/h from NE, gusts 6 mph9 km/h | 93% | 5% | 0 |
| Sat 6a | Clear | 42°6° (likely 42°6° to 44°7°) | 42°6° | 0% | 2 mph3 km/h from N, gusts 7 mph11 km/h | 93% | 10% | 0 |
| Sat 7a | Sunny | 42°6° (likely 41°5° to 44°7°) | 42°6° | 0% | 2 mph3 km/h from N, gusts 7 mph11 km/h | 89% | 12% | 0 |
| Sat 8a | Sunny | 43°6° (likely 41°5° to 44°7°) | 43°6° | 0% | 2 mph3 km/h from N, gusts 7 mph11 km/h | 86% | 12% | 0 |
| Sat 9a | Sunny | 46°8° (likely 46°8° to 48°9°) | 46°8° | 0% | 2 mph3 km/h from NE, gusts 7 mph11 km/h | 86% | 9% | 1 |
| Sat 10a | Sunny | 53°12° (likely 52°11° to 54°12°) | 53°12° | 0% | 3 mph5 km/h from NE, gusts 10 mph16 km/h | 69% | 1% | 2 |
| Sat 11a | Sunny | 56°13° (likely 56°13° to 58°14°) | 56°13° | 0% | 5 mph8 km/h from E, gusts 10 mph16 km/h | 64% | 3% | 3 |
| Sat 12p | Sunny | 60°16° (likely 59°15° to 61°16°) | 60°16° | 0% | 5 mph8 km/h from E, gusts 9 mph14 km/h | 49% | 8% | 4 |
| Sat 1p | Sunny | 61°16° (likely 60°16° to 63°17°) | 61°16° | 0% | 5 mph8 km/h from E, gusts 8 mph13 km/h | 44% | 13% | 4 |
| Sat 2p | Mostly sunny | 63°17° (likely 61°16° to 64°18°) | 63°17° | 0% | 5 mph8 km/h from E, gusts 8 mph13 km/h | 38% | 19% | 4 |
| Sat 3p | Sunny | 63°17° (likely 61°16° to 65°18°) | 63°17° | 0% | 5 mph8 km/h from E, gusts 8 mph13 km/h | 36% | 19% | 4 |
| Sat 4p | Sunny | 64°18° (likely 61°16° to 64°18°) | 64°18° | 0% | 6 mph10 km/h from E, gusts 8 mph13 km/h | 35% | 18% | 3 |
| Sat 5p | Sunny | 62°17° (likely 60°16° to 64°18°) | 62°17° | 0% | 6 mph10 km/h from E, gusts 8 mph13 km/h | 39% | 14% | 1 |
| Sat 6p | Clear | 61°16° (likely 57°14° to 61°16°) | 61°16° | 0% | 5 mph8 km/h from E, gusts 9 mph15 km/h | 42% | 7% | 0 |
| Sat 7p | Clear | 56°13° (likely 53°12° to 58°14°) | 56°13° | 0% | 3 mph5 km/h from E, gusts 7 mph12 km/h | 55% | 0% | 0 |
| Sat 8p | Clear | 51°11° (likely 51°11° to 56°13°) | 51°11° | 0% | 2 mph3 km/h from E, gusts 6 mph9 km/h | 71% | 1% | 0 |
| Sat 9p | Clear | 49°9° (likely 49°9° to 54°12°) | 49°9° | 0% | 1 mph2 km/h from NE, gusts 7 mph10 km/h | 80% | 11% | 0 |
| Sat 10p | Mostly clear | 48°9° (likely 48°9° to 53°12°) | 48°9° | 0% | 1 mph2 km/h from E, gusts 6 mph10 km/h | 83% | 20% | 0 |
| Sat 11p | Clear | 47°8° (likely 47°8° to 53°12°) | 47°8° | 0% | 1 mph2 km/h from E, gusts 7 mph11 km/h | 86% | 30% | 0 |
| Sun 12a | Clear | 46°8° (likely 46°8° to 52°11°) | 46°8° | 0% | 1 mph2 km/h from E, gusts 6 mph9 km/h | 89% | 50% | 0 |
| Sun 1a | Clear | 45°7° (likely 45°7° to 50°10°) | 45°7° | 0% | 1 mph2 km/h from E, gusts 5 mph8 km/h | 93% | 26% | 0 |
| Sun 2a | Clear | 44°7° (likely 44°7° to 48°9°) | 44°7° | 0% | 1 mph2 km/h from E, gusts 5 mph8 km/h | 96% | 3% | 0 |
| Sun 3a | Clear | 44°7° (likely 44°7° to 47°8°) | 44°7° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 96% | 8% | 0 |
| Sun 4a | Clear | 43°6° (likely 43°6° to 47°8°) | 43°6° | 0% | 1 mph2 km/h from NE, gusts 6 mph9 km/h | 100% | 40% | 0 |
| Sun 5a | Clear | 42°6° (likely 42°6° to 48°9°) | 42°6° | 0% | 1 mph2 km/h from N, gusts 6 mph10 km/h | 100% | 45% | 0 |
| Sun 6a | Mostly clear | 42°6° (likely 42°6° to 47°8°) | 42°6° | 0% | 1 mph2 km/h from N, gusts 7 mph11 km/h | 100% | 34% | 0 |
| Sun 7a | Sunny | 41°5° (likely 41°5° to 46°8°) | 41°5° | 0% | 1 mph2 km/h from N, gusts 7 mph11 km/h | 100% | 17% | 0 |
| Sun 8a | Sunny | 42°6° (likely 42°6° to 46°8°) | 42°6° | 0% | 2 mph3 km/h from N, gusts 7 mph11 km/h | 100% | 14% | 0 |
| Sun 9a | Mostly sunny | 46°8° (likely 46°8° to 51°11°) | 46°8° | 0% | 2 mph3 km/h from N, gusts 7 mph12 km/h | 89% | 16% | 1 |
| Sun 10a | Mostly sunny | 52°11° (likely 52°11° to 55°13°) | 52°11° | 0% | 2 mph3 km/h from NE, gusts 8 mph13 km/h | 71% | 12% | 2 |
| Sun 11a | Mostly sunny | 58°14° (likely 58°14° to 60°16°) | 58°14° | 0% | 2 mph3 km/h from NE, gusts 8 mph12 km/h | 57% | 12% | 3 |
| Sun 12p | Sunny | 62°17° (likely 61°16° to 63°17°) | 62°17° | 0% | 2 mph3 km/h from E, gusts 7 mph11 km/h | 50% | 13% | 4 |
| Sun 1p | Sunny | 65°18° (likely 63°17° to 65°18°) | 65°18° | 0% | 2 mph3 km/h from SE, gusts 5 mph8 km/h | 43% | 13% | 4 |
| Sun 2p | Sunny | 67°19° (likely 64°18° to 67°19°) | 67°19° | 0% | 2 mph3 km/h from SE, gusts 5 mph7 km/h | 40% | 21% | 4 |
| Sun 3p | Sunny | 68°20° (likely 65°18° to 68°20°) | 68°20° | 0% | 2 mph3 km/h from SE, gusts 5 mph8 km/h | 39% | 28% | 4 |
| Sun 4p | Sunny | 68°20° (likely 65°18° to 68°20°) | 68°20° | 0% | 2 mph3 km/h from SE, gusts 5 mph8 km/h | 39% | 28% | 3 |
| Sun 5p | Sunny | 67°19° (likely 64°18° to 67°19°) | 67°19° | 0% | 2 mph3 km/h from SE, gusts 5 mph8 km/h | 40% | 18% | 1 |
| Sun 6p | Clear | 64°18° (likely 61°16° to 64°18°) | 64°18° | 0% | 2 mph3 km/h from SE, gusts 4 mph7 km/h | 46% | 2% | 0 |
| Sun 7p | Clear | 59°15° (likely 57°14° to 59°15°) | 59°15° | 0% | 2 mph3 km/h from SE, gusts 5 mph9 km/h | 60% | 0% | 0 |
| Sun 8p | Clear | 55°13° (likely 54°12° to 56°13°) | 55°13° | 0% | 2 mph3 km/h from SE, gusts 6 mph10 km/h | 72% | 0% | 0 |
| Sun 9p | Clear | 53°12° (likely 51°11° to 57°14°) | 53°12° | 0% | 1 mph2 km/h from SE, gusts 6 mph9 km/h | 77% | 0% | 0 |
| Sun 10p | Clear | 50°10° (likely 50°10° to 56°13°) | 50°10° | 0% | 1 mph2 km/h from SE, gusts 3 mph5 km/h | 83% | 0% | 0 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 23. Cloudy. High 64°18°, low 42°6°. Typical 67°19° / 49°9°. Dry. Mostly agree.
Overnight
midnight–6 AM
Clear, 43°6°Dry
Official NWS forecast
Tonight: Mostly clear, with a low around 42. Northeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 63°17°–65°18°
- Low, likely
- 42°6°–50°10°
- Typical high / low
- 67°19° / 49°9°
- Wind
- 9 mph14 km/h, gusts 21 mph33 km/h
- UV peak
- 4
Tomorrow, Oct 24. Mostly sunny. High 64°18°, low 41°5°. Typical 66°19° / 49°9°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 43°6°Dry
Afternoon
noon–6 PM
Sunny, 64°18°Dry
Evening
6 PM–midnight
Clear, 51°11°Dry
Overnight
midnight–6 AM
Clear, 42°6°Dry
Official NWS forecast
Day: Sunny, with a high near 64. East wind 2 to 6 mph.
Night: Clear, with a low around 41. Northeast wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 61°16°–65°18°
- Low, likely
- 41°5°–44°7°
- Typical high / low
- 66°19° / 49°9°
- Wind
- 7 mph11 km/h, gusts 13 mph21 km/h
- UV peak
- 4
Sunday, Oct 25. Sunny. High 68°20°, low 41°5°. Typical 66°19° / 49°9°. Dry. Forecasts agree.
Morning
6 AM–noon
Mostly sunny, 42°6°Dry
Afternoon
noon–6 PM
Sunny, 68°20°Dry
Evening
6 PM–midnight
Clear, 55°13°Dry
Overnight
midnight–6 AM
Clear, 45°7°Dry
Official NWS forecast
Day: Sunny, with a high near 68. East wind around 2 mph.
Night: Clear, with a low around 41. Southwest wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 65°18°–68°20°
- Low, likely
- 41°5°–46°8°
- Typical high / low
- 66°19° / 49°9°
- Wind
- 6 mph10 km/h
- UV peak
- 4
Monday, Oct 26. Mostly sunny. High 70°21°, low 50°10°. Typical 66°19° / 48°9°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 44°7°Dry
Afternoon
noon–6 PM
Sunny, 69°20°Dry
Evening
6 PM–midnight
Clear, 58°15°Dry
Overnight
midnight–6 AM
Clear, 52°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70.
Night: Clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 68°20°–70°21°
- Low, likely
- 40°4°–50°10°
- Typical high / low
- 66°19° / 48°9°
- Wind
- 7 mph11 km/h, gusts 17 mph28 km/h
- UV peak
- 4
Tuesday, Oct 27. Sunny. High 70°21°, low 48°9°. Typical 65°18° / 48°9°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 52°11°Dry
Afternoon
noon–6 PM
Sunny, 68°20°Dry
Evening
6 PM–midnight
Clear, 58°14°Dry
Overnight
midnight–6 AM
Clear, 49°9°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70.
Night: Partly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 67°19°–70°21°
- Low, likely
- 48°9°–53°12°
- Typical high / low
- 65°18° / 48°9°
- Wind
- 9 mph14 km/h, gusts 24 mph38 km/h
- UV peak
- 4
Wednesday, Oct 28. Mostly cloudy. High 66°19°, low 50°10°. Typical 65°18° / 48°9°. Dry. Mostly agree.
Morning
6 AM–noon
Mostly sunny, 48°9°Dry
Afternoon
noon–6 PM
Cloudy, 64°18°Dry
Evening
6 PM–midnight
Cloudy, 57°14°Dry
Overnight
midnight–6 AM
Mostly clear, 51°10°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 66.
Night: Mostly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 62°17°–67°19°
- Low, likely
- 46°8°–50°10°
- Typical high / low
- 65°18° / 48°9°
- Wind
- 6 mph10 km/h, gusts 16 mph25 km/h
- UV peak
- 4
Thursday, Oct 29. Cloudy. High 71°22°, low 52°11°. Typical 65°18° / 47°8°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 50°10°Dry
Afternoon
noon–6 PM
Sunny, 69°21°Dry
Evening
6 PM–midnight
Clear, 60°16°Dry
Overnight
midnight–6 AM
Clear, 52°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 71.
Night: Partly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 67°19°–71°22°
- Low, likely
- 48°9°–52°11°
- Typical high / low
- 65°18° / 47°8°
- Wind
- 6 mph10 km/h, gusts 22 mph35 km/h
- UV peak
- 4
Friday, Oct 30. Partly sunny. High 72°22°, low 50°10°. Typical 64°18° / 47°8°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 51°11°Dry
Afternoon
noon–6 PM
Sunny, 71°22°Dry
Evening
6 PM–midnight
Clear, 60°16°Dry
Overnight
midnight–6 AM
Clear, 51°10°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 72.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 67°19°–74°23°
- Low, likely
- 48°9°–52°11°
- Typical high / low
- 64°18° / 47°8°
- Wind
- 7 mph12 km/h, gusts 18 mph29 km/h
- UV peak
- 4
Saturday, Oct 31. Cloudy. High 71°22°, low 50°10°. Typical 64°18° / 46°8°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 50°10°Dry
Afternoon
noon–6 PM
Sunny, 71°21°Dry
Evening
6 PM–midnight
Clear, 60°16°Dry
Overnight
midnight–6 AM
Clear, 51°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
- 69°21°–73°23°
- Low, likely
- 44°7°–58°14°
- Typical high / low
- 64°18° / 46°8°
- Wind
- 8 mph12 km/h, gusts 24 mph38 km/h
- UV peak
- 4
Sunday, Nov 1. Cloudy. High 68°20°, low 51°11°. Typical 64°18° / 46°8°. Dry. Forecasts differ.
Morning
6 AM–noon
Mostly sunny, 50°10°Dry
Afternoon
noon–6 PM
Cloudy, 67°19°Dry
Evening
6 PM–midnight
Partly cloudy, 62°17°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
- 62°17°–72°22°
- Low, likely
- 47°8°–55°13°
- Typical high / low
- 64°18° / 46°8°
- Wind
- 9 mph15 km/h, gusts 22 mph35 km/h
- UV peak
- 3
The outlook
Today
Dry, high 64°, low 42°.
Tomorrow
Dry, high 64°, low 41°.
Sunday
Dry, high 68°, low 41°, warming up.
Rest of week
Mostly dry, highs 66–72°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (LWX) (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
Rivers
NOAA river gauges within 25 mi
Below flood stage
Potomac River at Georgetown / Wisconsin Ave
2.8 mi- Level
- 3.8 ft
Forecast peak 5.6 ft Sat 7 PM, action stage
Reading from Fri 9:54 PM · NWS gauge page
Hickey Run at National Arboretum
2.7 mi- Level
- 0.9 ft
- Flow
- under 1 cfs
Reading from Fri 10:08 PM · NWS gauge page
Anacostia River at Buzzard Point in Washington DC
2.7 mi- Level
- 0.8 ft
Reading from Fri 10:35 PM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 55% less heating than a typical week.
This week 25Typical 56
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 21
- 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 6 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 43°F).
Open the windows?
Sat, 12:00 PM–6:00 PM
Good stretch to open the windows.
Is this typical?
Washington Reagan National Airport · official normals 1991–2020 · records 1872–2026
Oct 23, today vs a typical year
Today’s expected high is 3°2° colder than typical.
- Normal high / low
- 67°19° / 49°9°
- Forecast high / low
- 64°18° / 42°6°
- Record high
- 85°29° in 1901
- Record low
- 33°1° in 1930
Last 7 days vs normal
On average 3°2° colder than normal (daily mean temperature).
- −5°−3°SatOct 17
- −7°−4°SunOct 18
- −4°−2°MonOct 19
- +1°±0°TueOct 20
- ±0°WedOct 21
- −1°ThuOct 22
- —FriOct 23
Washington weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:25 AM, sunset 6:18 PM.
- Daylight
- 10 h 53 min
- Losing 2 min 16 s a day; shortest Dec 21, 1 h 26 min less
- Golden hour
- 5:41–6:35 PM
- Morning 7:09–8:02 AM
- Blue hour
- 6:35–6:45 PM
- Morning 6:58–7:09 AM; first light 6:58 AM
Stars tonight? Good
Mostly clear 11:54 PM–6:59 AM; moon 96% lit, sets 5:39 AM.
Moon
Waxing gibbous
95% lit · growing
- Today
- sets 4:31 AM · rises 4:48 PM
- Full moon
- Oct 26
- New moon
- Nov 9
