Foster Branch near Joppatowne
0.7 mi- Level
- 1.8 ft
- Flow
- under 1 cfs
Reading from Sat 4:05 PM · NWS gauge page
1 active weather alert
Frost Advisory
Starts in 7 h 17 min
- When
- From 1 AM to 9 AM EDT Sunday.
- Where
- Portions of central, northeast, and northern Maryland and northern Virginia.
Issued for this forecast zone · National Weather Service Baltimore MD/Washington DC
What, impacts and precautionsHide details
What
Temperatures as low as 33 will result in frost formation.
Impacts
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Frederick; Carroll; Northern Baltimore; Cecil; Northwest Montgomery; Northwest Howard; Northwest Harford; Southeast Harford; Rappahannock; Culpeper; Northern Fauquier; Southern Fauquier; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park
See it on weather.gov (opens in a new tab)
Observed 4:45 PM EDT at KMTN
Joppatowne, MD weather
Sunny and 63°17°, jacket by 7 PM.
Today: low 38°3°, high 63°17°.
Now 63°17°
Sunny
- Wind
- Calm
- Light through 5 AM
- Dew point
- 37°3°
- Comfortable
- Air quality
- 33Good
- Ozone · tomorrow moderate
Next 48 hours
Good hours for
TonightDown to 40°4° by 4 AM
Tomorrow morningUp to 58°14° by 11 AM
Tomorrow afternoonNear 62°17°
Tomorrow nightDown to 41°5° by 4 AM
Monday morningUp to 58°14° by 11 AM
Monday afternoonUp to 69°21° by 4 PM
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 5p | Sunny | 62°17° (likely 59°15° to 62°17°) | 62°17° | 0% | 2 mph3 km/h from SE | 44% | — | 0 |
| Sat 6p | Clear | 58°14° (likely 55°13° to 58°14°) | 58°14° | 0% | 2 mph3 km/h from SE | 53% | — | 0 |
| Sat 7p | Clear | 55°13° (likely 53°12° to 55°13°) | 55°13° | 0% | 2 mph3 km/h from E | 59% | — | 0 |
| Sat 8p | Clear | 50°10° (likely 50°10° to 52°11°) | 50°10° | 0% | 2 mph3 km/h from E | 71% | — | — |
| Sat 9p | Clear | 49°9° (likely 49°9° to 51°11°) | 49°9° | 0% | 1 mph2 km/h from E | 74% | — | — |
| Sat 10p | Clear | 47°8° (likely 47°8° to 50°10°) | 47°8° | 0% | 1 mph2 km/h from E | 79% | — | — |
| Sat 11p | Clear | 46°8° (likely 46°8° to 49°9°) | 46°8° | 0% | 1 mph2 km/h from SE | 83% | — | — |
| Sun 12a | Clear | 46°8° (likely 46°8° to 48°9°) | 46°8° | 0% | 1 mph2 km/h from E | 83% | — | — |
| Sun 1a | Clear | 45°7° (likely 45°7° to 48°9°) | 45°7° | 0% | 1 mph2 km/h from W | 86% | — | — |
| Sun 2a | Clear | 43°6° (likely 43°6° to 46°8°) | 43°6° | 0% | 2 mph3 km/h from W | 89% | — | — |
| Sun 3a | Clear | 42°6° (likely 42°6° to 45°7°) | 42°6° | 0% | 2 mph3 km/h from E | 93% | — | — |
| Sun 4a | Clear | 40°4° (likely 40°4° to 43°6°) | 40°4° | 0% | 2 mph3 km/h from N | 96% | — | — |
| Sun 5a | Clear | 40°4° (likely 40°4° to 43°6°) | 40°4° | 0% | 2 mph3 km/h from N | 96% | — | — |
| Sun 6a | Clear | 40°4° (likely 40°4° to 42°6°) | 40°4° | 0% | 2 mph3 km/h from N | 96% | — | — |
| Sun 7a | Sunny | 40°4° (likely 40°4° to 42°6°) | 40°4° | 0% | 2 mph3 km/h from N | 92% | — | — |
| Sun 8a | Sunny | 40°4° (likely 40°4° to 42°6°) | 38°3° | 0% | 3 mph5 km/h from N | 96% | — | — |
| Sun 9a | Sunny | 46°8° (likely 46°8° to 47°8°) | 46°8° | 0% | 2 mph3 km/h from N | 83% | — | — |
| Sun 10a | Sunny | 53°12° (likely 52°11° to 53°12°) | 53°12° | 0% | 1 mph2 km/h from NE | 69% | — | — |
| Sun 11a | Sunny | 58°14° (likely 56°13° to 58°14°) | 58°14° | 0% | 1 mph2 km/h from NE | 59% | — | — |
| Sun 12p | Sunny | 61°16° (likely 59°15° to 61°16°) | 61°16° | 0% | 1 mph2 km/h from E | 51% | — | — |
| Sun 1p | Sunny | 63°17° (likely 61°16° to 63°17°) | 63°17° | 0% | 1 mph2 km/h from SE | 48% | — | — |
| Sun 2p | Mostly sunny | 64°18° (likely 62°17° to 64°18°) | 64°18° | 0% | 2 mph3 km/h from SE | 46% | — | — |
| Sun 3p | Sunny | 64°18° (likely 63°17° to 64°18°) | 64°18° | 0% | 2 mph3 km/h from S | 46% | — | — |
| Sun 4p | Sunny | 64°18° (likely 62°17° to 64°18°) | 64°18° | 0% | 2 mph3 km/h from S | 48% | — | — |
| Sun 5p | Sunny | 63°17° (likely 61°16° to 63°17°) | 63°17° | 0% | 2 mph3 km/h from S | 50% | — | — |
| Sun 6p | Clear | 59°15° (likely 56°13° to 59°15°) | 59°15° | 0% | 1 mph2 km/h from S | 57% | — | — |
| Sun 7p | Clear | 56°13° (likely 54°12° to 56°13°) | 56°13° | 0% | 1 mph2 km/h from S | 64% | — | — |
| Sun 8p | Clear | 50°10° (likely 50°10° to 52°11°) | 50°10° | 0% | 0 mph0 km/h | 80% | — | — |
| Sun 9p | Clear | 49°9° (likely 49°9° to 51°11°) | 49°9° | 0% | 0 mph0 km/h | 83% | — | — |
| Sun 10p | Clear | 47°8° (likely 47°8° to 49°9°) | 47°8° | 0% | 1 mph2 km/h from SW | 89% | — | — |
| Sun 11p | Clear | 46°8° (likely 46°8° to 48°9°) | 46°8° | 0% | 0 mph0 km/h | 93% | — | — |
| Mon 12a | Clear | 45°7° (likely 45°7° to 47°8°) | 45°7° | 0% | 1 mph2 km/h from SW | 93% | — | — |
| Mon 1a | Clear | 44°7° (likely 44°7° to 46°8°) | 44°7° | 0% | 1 mph2 km/h from SW | 93% | — | — |
| Mon 2a | Clear | 43°6° (likely 43°6° to 45°7°) | 43°6° | 0% | 1 mph2 km/h from NW | 96% | — | — |
| Mon 3a | Mostly clear | 42°6° (likely 42°6° to 45°7°) | 42°6° | 0% | 2 mph3 km/h from NW | 93% | — | — |
| Mon 4a | Mostly clear | 41°5° (likely 41°5° to 44°7°) | 41°5° | 0% | 2 mph3 km/h from NW | 96% | — | — |
| Mon 5a | Mostly clear | 41°5° (likely 41°5° to 44°7°) | 41°5° | 0% | 2 mph3 km/h from NW | 96% | — | — |
| Mon 6a | Mostly clear | 39°4° (likely 39°4° to 44°7°) | 39°4° | 0% | 1 mph2 km/h from NW | 96% | — | — |
| Mon 7a | Mostly sunny | 39°4° (likely 39°4° to 44°7°) | 39°4° | 0% | 1 mph2 km/h from NW | 96% | — | — |
| Mon 8a | Mostly sunny | 40°4° (likely 40°4° to 44°7°) | 40°4° | 0% | 1 mph2 km/h from NW | 96% | — | — |
| Mon 9a | Mostly sunny | 45°7° (likely 45°7° to 45°7°) | 45°7° | 0% | 1 mph2 km/h from W | 93% | — | — |
| Mon 10a | Sunny | 52°11° (likely 52°11° to 52°11°) | 52°11° | 0% | 2 mph3 km/h from W | 80% | — | — |
| Mon 11a | Sunny | 58°14° (likely 58°14° to 58°14°) | 58°14° | 0% | 2 mph3 km/h from W | 69% | — | — |
| Mon 12p | Sunny | 61°16° (likely 61°16° to 61°16°) | 61°16° | 0% | 3 mph5 km/h from W | 62% | — | — |
| Mon 1p | Sunny | 64°18° (likely 64°18° to 64°18°) | 64°18° | 0% | 5 mph8 km/h from W | 56% | — | — |
| Mon 2p | Sunny | 67°19° (likely 67°19° to 67°19°) | 67°19° | 0% | 6 mph10 km/h from W | 50% | — | — |
| Mon 3p | Sunny | 68°20° (likely 68°20° to 68°20°) | 68°20° | 0% | 6 mph10 km/h from W | 49% | — | — |
| Mon 4p | Sunny | 69°21° (likely 69°21° to 69°21°) | 69°21° | 0% | 3 mph5 km/h from NW | 49% | — | — |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Sunny. High 63°17°, low 38°3°. Typical 64°18° / 43°6°. Dry. One forecast only.
Evening
6 PM–midnight
Clear, 50°10°Dry
Overnight
midnight–6 AM
Clear, 40°4°Dry
Official NWS forecast
Today: Sunny, with a high near 63. Southeast wind around 2 mph.
Tonight: Clear, with a low around 38. East wind around 2 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 63°17°
- Low, likely
- 38°3°
- Typical high / low
- 64°18° / 43°6°
- Wind
- 2 mph3 km/h
Tomorrow, Oct 25. Sunny. High 64°18°, low 38°3°. Typical 64°18° / 43°6°. Dry. One forecast only.
Morning
6 AM–noon
Sunny, 40°4°Dry
Afternoon
noon–6 PM
Sunny, 64°18°Dry
Evening
6 PM–midnight
Clear, 50°10°Dry
Overnight
midnight–6 AM
Mostly clear, 41°5°Dry
Official NWS forecast
Day: Sunny, with a high near 64. East wind around 3 mph.
Night: Clear, with a low around 38. Southwest wind around 2 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 63°17°–64°18°
- Low, likely
- 38°3°–42°6°
- Typical high / low
- 64°18° / 43°6°
- Wind
- 5 mph7 km/h
Monday, Oct 26. Mostly sunny. High 70°21°, low 50°10°. Typical 63°17° / 42°6°. Dry. One forecast only.
Morning
6 AM–noon
Mostly sunny, 40°4°Dry
Afternoon
noon–6 PM
Sunny, 69°21°Dry
Official NWS forecast
Day: Sunny, with a high near 70. Northwest wind 1 to 6 mph.
Night: Clear, with a low around 50.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 69°21°–70°21°
- Low, likely
- 44°7°–50°10°
- Typical high / low
- 63°17° / 42°6°
- Wind
- 6 mph10 km/h
Tuesday, Oct 27. Mostly sunny. High 67°19°, low 44°7°. Typical 63°17° / 42°6°. Dry. One forecast only.
Official NWS forecast
Day: Sunny, with a high near 67.
Night: Mostly clear, with a low around 44.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 66°19°–67°19°
- Low, likely
- 44°7°–51°11°
- Typical high / low
- 63°17° / 42°6°
- Wind
- 7 mph11 km/h
Wednesday, Oct 28. Partly sunny. High 65°18°, low 49°9°. Typical 62°17° / 42°6°. Dry. One forecast only.
Official NWS forecast
Day: Mostly sunny, with a high near 65.
Night: Mostly cloudy, with a low around 49.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 62°17°–65°18°
- Low, likely
- 48°9°–49°9°
- Typical high / low
- 62°17° / 42°6°
- Wind
- 6 mph9 km/h
Thursday, Oct 29. Partly sunny. High 69°21°, low 50°10°. Typical 62°17° / 42°6°. Dry. One forecast only.
Official NWS forecast
Day: Mostly sunny, with a high near 69.
Night: Mostly clear, with a low around 50.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 65°18°–69°21°
- Low, likely
- 50°10°
- Typical high / low
- 62°17° / 42°6°
- Wind
- 6 mph9 km/h
Friday, Oct 30. Mostly sunny. High 73°23°, low 51°11°. Typical 62°17° / 41°5°. Dry. One forecast only.
Official NWS forecast
Day: Sunny, with a high near 73.
Night: Mostly clear, with a low around 51.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 72°22°–73°23°
- Low, likely
- 51°11°
- Typical high / low
- 62°17° / 41°5°
- Wind
- 4 mph7 km/h
The outlook
Today
Dry, high 63°, low 38°.
Tomorrow
Dry, high 64°, low 38°.
Monday
Dry, high 70°, low 50°, warming up.
Rest of week
Mostly dry, highs 65–73°.
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
Wheel Creek Near Abingdon, MD
4.5 mi- Level
- 1.6 ft
- Flow
- under 1 cfs
Reading from Sat 4:50 PM · NWS gauge page
Honeygo Run near White Marsh
4.9 mi- Level
- 0.6 ft
- Flow
- 2 cfs
Reading from Sat 4:50 PM · NWS gauge page
Plumtree Run near Bel Air
5.5 mi- Level
- 1.1 ft
- Flow
- 4 cfs
Reading from Sat 4:25 PM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 68% less heating than a typical week.
This week 28Typical 88
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 24
- 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 12 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 37°F).
Open the windows?
Sun, 12:00 PM–5:00 PM
Good stretch to open the windows.
Is this typical?
ABERDEEN PHILLIPS FLD · official normals 1991–2020 · records 1919–2026
Oct 24, today vs a typical year
Today’s expected high is about typical for the date.
- Normal high / low
- 64°18° / 43°6°
- Forecast high / low
- 63°17° / 38°3°
- Record high
- 80°27° in 1978
- Record low
- 21°−6° in 1969
Last 7 days vs normal
On average 1° colder than normal (daily mean temperature).
- −8°−5°SunOct 18
- −6°−4°MonOct 19
- −1°TueOct 20
- +6°+3°WedOct 21
- +2°+1°ThuOct 22
- +3°+2°FriOct 23
- —SatOct 24
Joppatowne weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:24 AM, sunset 6:13 PM.
- Daylight
- 10 h 49 min
- Losing 2 min 25 s a day; shortest Dec 21, 1 h 26 min less
- Golden hour
- 5:36–6:30 PM
- Morning 7:08–8:02 AM
- Blue hour
- 6:30–6:41 PM
- Morning 6:57–7:08 AM; first light 6:57 AM
Stars tonight? Unknown
Cloud forecast not available for tonight.
Moon
Waxing gibbous
98% lit · growing
- Today
- sets 5:36 AM · rises 5:10 PM
- Full moon
- Oct 26
- New moon
- Nov 9
