Potomac River at Alexandria
8.2 mi- Level
- 3.2 ft
Forecast peak 3.2 ft Sat 7 PM, action stage
Reading from Sat 5:42 PM · NWS gauge page
Appearance
Observed 5:55 PM EDT at KADW
Sunny and 58°14°.
Today: low 38°3° (likely 38°3° to 40°4°), high 62°17° (likely 61°16° to 64°18°).
Now 58°14°
Sunny
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 6p | Clear | 59°15° (likely 56°13° to 59°15°) | 59°15° | 0% | 3 mph5 km/h from E, gusts 8 mph13 km/h | 55% | 9% | 0 |
| Sat 7p | Clear | 55°13° (likely 52°11° to 55°13°) | 55°13° | 0% | 3 mph5 km/h from E, gusts 7 mph10 km/h | 64% | 8% | 0 |
| Sat 8p | Clear | 51°11° (likely 50°10° to 52°11°) | 51°11° | 0% | 3 mph5 km/h from E, gusts 5 mph9 km/h | 74% | 8% | 0 |
| Sat 9p | Clear | 49°9° (likely 49°9° to 51°11°) | 48°9° | 0% | 3 mph5 km/h from NE, gusts 6 mph10 km/h | 80% | 9% | 0 |
| Sat 10p | Clear | 48°9° (likely 47°8° to 50°10°) | 47°8° | 0% | 3 mph5 km/h from NE, gusts 7 mph11 km/h | 83% | 10% | 0 |
| Sat 11p | Clear | 46°8° (likely 46°8° to 48°9°) | 45°7° | 0% | 3 mph5 km/h from E, gusts 7 mph11 km/h | 89% | 6% | 0 |
| Sun 12a | Clear | 46°8° (likely 46°8° to 48°9°) | 45°7° | 0% | 3 mph5 km/h from E, gusts 7 mph11 km/h | 89% | 0% | 0 |
| Sun 1a | Clear | 45°7° (likely 45°7° to 47°8°) | 45°7° | 0% | 2 mph3 km/h from NE, gusts 6 mph9 km/h | 93% | 0% | 0 |
| Sun 2a | Clear | 43°6° (likely 43°6° to 47°8°) | 43°6° | 0% | 2 mph3 km/h from NE, gusts 5 mph7 km/h | 96% | 0% | 0 |
| Sun 3a | Clear | 43°6° (likely 43°6° to 47°8°) | 41°5° | 0% | 3 mph5 km/h from NE, gusts 5 mph7 km/h | 93% | 3% | 0 |
| Sun 4a | Clear | 42°6° (likely 42°6° to 46°8°) | 40°4° | 0% | 3 mph5 km/h from NE, gusts 5 mph8 km/h | 96% | 7% | 0 |
| Sun 5a | Clear | 41°5° (likely 41°5° to 45°7°) | 39°4° | 0% | 3 mph5 km/h from NE, gusts 5 mph9 km/h | 96% | 6% | 0 |
| Sun 6a | Mostly clear | 41°5° (likely 41°5° to 45°7°) | 41°5° | 0% | 2 mph3 km/h from NE, gusts 6 mph10 km/h | 96% | 14% | 0 |
| Sun 7a | Sunny | 40°4° (likely 40°4° to 45°7°) | 40°4° | 0% | 2 mph3 km/h from NE, gusts 6 mph10 km/h | 96% | 4% | 0 |
| Sun 8a | Sunny | 41°5° (likely 41°5° to 47°8°) | 39°4° | 0% | 3 mph5 km/h from NE, gusts 6 mph10 km/h | 100% | 18% | 0 |
| Sun 9a | Sunny | 46°8° (likely 46°8° to 51°11°) | 45°7° | 0% | 3 mph5 km/h from NE, gusts 5 mph9 km/h | 93% | 3% | 1 |
| Sun 10a | Sunny | 52°11° (likely 52°11° to 56°13°) | 52°11° | 0% | 3 mph5 km/h from NE, gusts 7 mph12 km/h | 80% | 5% | 2 |
| Sun 11a | Sunny | 58°14° (likely 58°14° to 60°16°) | 58°14° | 0% | 3 mph5 km/h from E, gusts 7 mph11 km/h | 64% | 6% | 3 |
| Sun 12p | Sunny | 60°16° (likely 60°16° to 63°17°) | 60°16° | 0% | 3 mph5 km/h from E, gusts 5 mph9 km/h | 60% | 8% | 4 |
| Sun 1p | Sunny | 63°17° (likely 62°17° to 65°18°) | 63°17° | 0% | 3 mph5 km/h from E, gusts 5 mph8 km/h | 52% | 5% | 4 |
| Sun 2p | Sunny | 64°18° (likely 64°18° to 66°19°) | 64°18° | 0% | 3 mph5 km/h from E, gusts 5 mph8 km/h | 50% | 4% | 4 |
| Sun 3p | Sunny | 66°19° (likely 64°18° to 67°19°) | 66°19° | 0% | 2 mph3 km/h from E, gusts 5 mph8 km/h | 47% | 4% | 4 |
| Sun 4p | Sunny | 65°18° (likely 64°18° to 67°19°) | 65°18° | 0% | 2 mph3 km/h from E, gusts 6 mph9 km/h | 48% | 7% | 3 |
| Sun 5p | Sunny | 64°18° (likely 63°17° to 66°19°) | 64°18° | 0% | 3 mph5 km/h from E, gusts 6 mph10 km/h | 50% | 10% | 1 |
| Sun 6p | Clear | 61°16° (likely 59°15° to 62°17°) | 61°16° | 0% | 2 mph3 km/h from E, gusts 7 mph11 km/h | 53% | 6% | 0 |
| Sun 7p | Clear | 57°14° (likely 54°12° to 57°14°) | 57°14° | 0% | 2 mph3 km/h from E, gusts 6 mph10 km/h | 62% | 3% | 0 |
| Sun 8p | Clear | 51°11° (likely 51°11° to 54°12°) | 51°11° | 0% | 2 mph3 km/h from E, gusts 6 mph10 km/h | 74% | 2% | 0 |
| Sun 9p | Clear | 49°9° (likely 49°9° to 52°11°) | 49°9° | 0% | 1 mph2 km/h from E, gusts 4 mph7 km/h | 80% | 0% | 0 |
| Sun 10p | Clear | 47°8° (likely 47°8° to 51°11°) | 47°8° | 0% | 1 mph2 km/h from SE, gusts 5 mph8 km/h | 86% | 0% | 0 |
| Sun 11p | Clear | 46°8° (likely 46°8° to 49°9°) | 46°8° | 0% | 1 mph2 km/h from S, gusts 4 mph7 km/h | 89% | 1% | 0 |
| Mon 12a | Clear | 44°7° (likely 44°7° to 48°9°) | 44°7° | 0% | 1 mph2 km/h from S, gusts 4 mph7 km/h | 93% | 2% | 0 |
| Mon 1a | Clear | 44°7° (likely 44°7° to 47°8°) | 44°7° | 0% | 1 mph2 km/h from S, gusts 4 mph7 km/h | 93% | 0% | 0 |
| Mon 2a | Clear | 43°6° (likely 43°6° to 47°8°) | 43°6° | 0% | 1 mph2 km/h from W, gusts 4 mph7 km/h | 93% | 0% | 0 |
| Mon 3a | Clear | 43°6° (likely 43°6° to 46°8°) | 43°6° | 0% | 2 mph3 km/h from W, gusts 5 mph8 km/h | 93% | 0% | 0 |
| Mon 4a | Clear | 42°6° (likely 42°6° to 45°7°) | 42°6° | 0% | 2 mph3 km/h from W, gusts 5 mph9 km/h | 96% | 3% | 0 |
| Mon 5a | Clear | 42°6° (likely 42°6° to 44°7°) | 42°6° | 0% | 2 mph3 km/h from W, gusts 6 mph10 km/h | 96% | 7% | 0 |
| Mon 6a | Clear | 42°6° (likely 42°6° to 44°7°) | 42°6° | 0% | 2 mph3 km/h from W, gusts 7 mph11 km/h | 96% | 18% | 0 |
| Mon 7a | Sunny | 41°5° (likely 41°5° to 44°7°) | 41°5° | 0% | 2 mph3 km/h from W, gusts 7 mph11 km/h | 100% | 19% | 0 |
| Mon 8a | Sunny | 42°6° (likely 41°5° to 43°6°) | 42°6° | 0% | 2 mph3 km/h from W, gusts 6 mph10 km/h | 96% | 25% | 0 |
| Mon 9a | Sunny | 47°8° (likely 45°7° to 49°9°) | 46°8° | 0% | 3 mph5 km/h from W, gusts 7 mph11 km/h | 86% | 20% | 1 |
| Mon 10a | Sunny | 53°12° (likely 52°11° to 55°13°) | 53°12° | 0% | 5 mph8 km/h from W, gusts 9 mph15 km/h | 74% | 16% | 2 |
| Mon 11a | Sunny | 59°15° (likely 57°14° to 60°16°) | 59°15° | 0% | 5 mph8 km/h from W, gusts 10 mph17 km/h | 62% | 12% | 3 |
| Mon 12p | Sunny | 63°17° (likely 61°16° to 64°18°) | 63°17° | 0% | 5 mph8 km/h from W, gusts 10 mph17 km/h | 54% | 7% | 4 |
| Mon 1p | Sunny | 66°19° (likely 65°18° to 66°19°) | 66°19° | 0% | 6 mph10 km/h from NW, gusts 10 mph16 km/h | 48% | 0% | 4 |
| Mon 2p | Sunny | 68°20° (likely 67°19° to 68°20°) | 68°20° | 0% | 6 mph10 km/h from NW, gusts 10 mph17 km/h | 45% | 0% | 4 |
| Mon 3p | Sunny | 70°21° (likely 67°19° to 70°21°) | 70°21° | 0% | 7 mph11 km/h from NW, gusts 11 mph18 km/h | 42% | 0% | 4 |
| Mon 4p | Sunny | 70°21° (likely 67°19° to 70°21°) | 70°21° | 0% | 6 mph10 km/h from NW, gusts 11 mph18 km/h | 42% | 0% | 3 |
| Mon 5p | Sunny | 69°21° (likely 66°19° to 69°21°) | 69°21° | 0% | 5 mph8 km/h from NW, gusts 11 mph18 km/h | 45% | 0% | 1 |
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Tonight: Mostly clear, with a low around 38. Northeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: Sunny, with a high near 66. East wind around 3 mph.
Night: Clear, with a low around 40. South wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: Sunny, with a high near 70. West wind 2 to 7 mph.
Night: Clear, with a low around 49. Northwest wind 2 to 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 68.
Night: Mostly clear, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 66.
Night: Mostly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
Night: Mostly clear, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 74.
Night: Mostly clear, with a low around 51.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
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.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
30% chance
Evening
6 PM–midnight
30% chance · 0.05 in1.2 mm
Overnight
midnight–6 AM
30% chance · 0.05 in1.3 mm
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.
Morning
6 AM–noon
30% chance · 0.02 in0.6 mm
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
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.
Dry, high 62°, low 38°.
Dry, high 66°, low 40°, warming up.
Dry, high 70°, low 49°, warming up.
Mostly dry, highs 66–74°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (LWX) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 3.2 ft Sat 7 PM, action stage
Reading from Sat 5:42 PM · NWS gauge page
Reading from Sat 5:30 PM · NWS gauge page
Reading from Sat 6:05 PM · NWS gauge page
Reading from Sat 5:50 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 54% less heating than a typical week.
Heating degree days, base 65°F
47, 17 and 5°F are the test points heat pumps are rated at. About 10 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 41°F).
Sun, 12:00 PM–6:00 PM
Good stretch to open the windows.
Today’s expected high is 4°2° colder than typical.
On average 2°1° colder than normal (daily mean temperature).
Clinton weather by month: normals, records, snow and freeze dates
Sunrise 7:26 AM, sunset 6:16 PM.
Clear 6:51 PM–6:59 AM, but the moon is 99% lit and up.
Waxing gibbous
98% lit · growing