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Olney, MD 20832 Weather

It is 45°F and clear in Olney, MD 20832, observed at 2:35 AM EDT. Tonight: Mostly Clear, low 41°F. Hourly and 10-day forecast from the National Weather Service. Times are local (EDT).

Olney, MD 20832 current weather

45°F

Clear

H 46° / L 41°Feels like 45°

5° cooler than yesterday at this time

Observed at Gaithersburg - Montgomery County Airport (5.3 mi away), 10/31/2026, 2:35 AM EDT

Hourly forecast

NWS, updated 10/30/2026, 7:52 PM PT

  1. Now44°
  2. 4 AM43°
  3. 5 AM43°
  4. 6 AM42°
  5. 7 AM41°
  6. 8 AM41°
  7. 9 AM45°
  8. 10 AM52°
  9. 11 AM55°
  10. 12 PM57°
  11. 1 PM59°
  12. 2 PM60°
  13. 3 PM60°
  14. 4 PM61°
  15. 5 PM60°
  16. 6 PM57°
  17. 7 PM54°
  18. 8 PM50°
  19. 9 PM48°
  20. 10 PM46°
  21. 11 PM45°
  22. 12 AM45°Sun
  23. 1 AM44°
  24. 1 AM44°
  25. 2 AM43°
  26. 3 AM43°
  27. 4 AM44°
  28. 5 AM44°
  29. 6 AM43°
  30. 7 AM44°
  31. 8 AM48°
  32. 9 AM54°
  33. 10 AM58°
  34. 11 AM59°
  35. 12 PM61°
  36. 1 PM62°
  37. 2 PM62°
  38. 3 PM63°
  39. 4 PM62°
  40. 5 PM59°
  41. 6 PM56°
  42. 7 PM52°
  43. 8 PM50°
  44. 9 PM48°
  45. 10 PM47°
  46. 11 PM46°
  47. 12 AM46°Mon
  48. 1 AM45°

10-day forecast

Tap a day for details

  • Today10/30Low 41°High

    Tonight: Mostly clear, with a low around 41. North wind 3 to 7 mph.

    Mostly Clear
  • Sat10/31Low 43°High 61°

    Saturday: Mostly sunny, with a high near 61. North wind around 6 mph.

    Saturday Night: Mostly cloudy, with a low around 43. East wind around 2 mph.

    Mostly Sunny
  • Sun11/1Low 43°High 63°

    Sunday: Mostly cloudy, with a high near 63. Southeast wind around 2 mph.

    Sunday Night: Mostly cloudy, with a low around 43. South wind around 2 mph.

    Mostly Cloudy
  • Mon11/2Low 45°High 66°

    Monday: Partly sunny, with a high near 66.

    Monday Night: Mostly cloudy, with a low around 45.

    Partly Sunny
  • Tue11/3Low 51°High 68°

    Tuesday: Mostly sunny, with a high near 68.

    Tuesday Night: Partly cloudy, with a low around 51.

    Mostly Sunny
  • Wed11/437% chance of precipitationLow 57°High 70°

    Wednesday: A slight chance of rain showers after 1pm. Partly sunny, with a high near 70. Chance of precipitation is 20%.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.

    Partly Sunny then Slight Chance Rain Showers
  • Thu11/560% chance of precipitationLow 56°High 70°

    Thursday: Rain showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    Thursday Night: Rain showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Rain Showers Likely
  • Fri11/650% chance of precipitationLow High 68°

    Friday: A chance of rain showers. Mostly cloudy, with a high near 68.

    Chance Rain Showers
  • Sat11/7Model blend17% chance of precipitationLow 47°High 65°

    Saturday: Partly cloudy, slight chance of rain. High near 65°. Low that night near 47°. About 0.01 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blend11% chance of precipitationLow 44°High 62°

    Sunday: Partly cloudy. High near 62°. Low that night near 44°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Mon11/9Model blend25% chance of precipitationLow 43°High 62°

    Monday: Partly cloudy, slight chance of rain. High near 62°. Low that night near 43°. About 0.11 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 39.149, -77.070 from the NWS LWX office, updated 10/30/2026, 7:52 PM PT · Official forecast on weather.gov

Days 9 to 11: NOAA National Blend of Models, station KGAI (Gaithersburg/Montgomery Cnty, 5 mi), model run 10/30/2026, 10:00 PM EDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now44°Mostly Clear0%5 mph
  2. 4 AM43°Mostly Clear0%3 mph
  3. 5 AM43°Mostly Clear0%3 mph
  4. 6 AM42°Sunny0%3 mph
  5. 7 AM41°Sunny0%3 mph
  6. 8 AM41°Mostly Sunny0%5 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Observed today

Since midnight, vs yesterday and normal

Today's high so far is 14° below the normal of 61° and 27° cooler than yesterday's high.

High so far
46°
14° below normal
Low so far
45°
Normal low 43°
Precipitation
0.00 in
Since midnight
Yesterday
High 73° · Low 46° · Precip 0.00 in
Normal for today
High 61° · Low 43°

Observed at Gaithersburg - Montgomery County Airport (KGAI) since midnight local time, through 2:35 AM. Station reports are preliminary and not quality controlled. Normals are estimated from 1991 to 2020 monthly normals at Rockville 1 NE.

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Olney, MD 20832 right now?
The latest observation from Gaithersburg - Montgomery County Airport was 45°F and clear, reported at 10/31/2026, 2:35 AM EDT.
Will it rain in Olney, MD 20832 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Olney, MD 20832?
The first 8 days come from the National Weather Service forecast. Days 9 to 11 (Nov 7 to Nov 9) come from the NOAA National Blend of Models, with highs of 62°F to 65°F. Model guidance this far out often changes.
What time is sunrise and sunset in Olney, MD 20832 today?
Sunrise is about 7:35 AM EDT and sunset is about 6:08 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Olney, MD 20832?
At Rockville 1 NE, the 1991 to 2020 normal high in October is 66°F and the normal low is 48°F.

Nearby hazards

Maryland hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Suburban DC)
39GoodPM2.5
AQI forecast tomorrow (Suburban DC)
53ModeratePM2.5

UV index guide · Air quality

Drought

By county

Montgomery County, week of 10/27/2026

2% of the county is in moderate drought or worse.

Tides nearby

NOAA tide stations

Sun and moon

Local time, center of the area

Sunrise
7:35 AM
Sunset
6:08 PM
Daylight
10 hr 33 min
Moon
Waning Gibbous 73% lit
First light (civil dawn)
7:07 AM
Last light (civil dusk)
6:36 PM
Moonrise
11:05 PM
Moonset
1:35 PM

Normal October weather

Climate

Normal October high 66°, low 48°, precipitation 3.52 in for the month. 1991 to 2020 normals at Rockville 1 NE, 5 mi away.

Other places nearby

Data sources

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About this data

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