| National Weather Service Forecast for:
Olney MD Issued by: National Weather Service Baltimore, MD/Washington, D.C. |
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| Updated: 4:53 am EDT Jun 30, 2026 | ||||||||||||||||||
|
Heat Advisory
Extreme Heat Watch
| Today |
Sunny, with a high near 89. Calm wind becoming south 5 to 9 mph in the morning. |
| Tonight |
Mostly clear, with a low around 69. South wind around 7 mph. |
| Wednesday |
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 103. Southwest wind 3 to 6 mph. Chance of precipitation is 20%. |
| Wednesday Night |
Mostly clear, with a low around 75. Southwest wind 3 to 5 mph. |
| Thursday |
Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph in the afternoon. |
| Thursday Night |
Mostly clear, with a low around 78. |
| Friday |
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 100. Chance of precipitation is 30%. |
| Friday Night |
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 30%. |
| Independence Day |
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99. Chance of precipitation is 40%. |
| Saturday Night |
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 40%. |
| Sunday |
A chance of showers and thunderstorms. Partly sunny, with a high near 93. Chance of precipitation is 50%. |
| Sunday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%. |
| Monday |
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%. |
Forecast from NOAA-NWS for Olney MD.
