California, MD Weather

Saint Mary's County5:21 AM EDT38.30°N, 76.51°WElevation 98 ft

Current conditions

Mostly Clear
45°
Mostly Clear
Feels like 43°
High 60°·Low 41° tonight
WindNE 5 mph
Humidity89%
Dew point42°
Visibility10 mi
Cloud cover15%
UV index0 Low
Sunrise7:24 AM
Sunset6:17 PM

Forecast for this hour (no station report in the last two hours)

Forecast

10-day

  • Friday Night

    Clear, with a low around 41. Northeast wind around 6 mph.

  • Saturday

    Sunny, with a high near 60. Northeast wind 3 to 7 mph.

  • Saturday Night

    Mostly clear, with a low around 46. Northeast wind around 3 mph.

National Weather Service forecast updated 1 day ago.

Hourly

Hourly forecast
  1. Now Mostly Clear 45°
  2. 6 AM Sunny 45°
  3. 7 AM Sunny 44°
  4. 8 AM Sunny 46°
  5. 9 AM Sunny 50°
  6. 10 AM Sunny 54°
  7. 11 AM Sunny 57°
  8. 12 PM Sunny 59°
  9. 1 PM Sunny 60°
  10. 2 PM Sunny 60°
  11. 3 PM Sunny 60°
  12. 4 PM Sunny 60°
  13. 5 PM Sunny 59°
  14. 6 PM Mostly Clear 56°
  15. 7 PM Mostly Clear 52°
  16. 8 PM Mostly Clear 49°
  17. 9 PM Mostly Clear 48°
  18. 10 PM Mostly Clear 47°
  19. 11 PM Mostly Clear 47°
  20. Sun12 AM Mostly Clear 47°
  21. 1 AM Mostly Clear 46°
  22. 2 AM Mostly Clear 46°
  23. 3 AM Mostly Clear 46°
  24. 4 AM Mostly Clear 46°

10-day forecast

Details
  1. TonightOct 22 Clear Clear47°
  2. FriOct 23 Sunny Sunny41°61°
  3. TodayOct 24 Sunny Sunny46°60°
  4. SunOct 25 Sunny Sunny46°62°
  5. MonOct 26 Sunny Sunny49°65°
  6. TueOct 27 Sunny Sunny50°65°
  7. WedOct 28 Partly Sunny Partly Sunny52°62°
  8. ThuOct 29 Mostly Sunny Mostly Sunny65°
  9. FriOct 30 Partly cloudy Partly cloudy53°74°
  10. SatOct 31 Partly cloudy Partly cloudy56°63°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

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Air quality

9
Good
Ozone

Air quality is satisfactory, and air pollution poses little or no risk.

Forecast

  • SatGood (50)
  • SunModerate (55)
  • MonModerate (56)

Southern Maryland, MD reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:24 AM
Sunset 6:17 PM
Daylight 10 h 53 min (−2 min 18 s tomorrow)
Waxing Gibbous · 96% lit
Moonrise 5:08 PM Moonset 5:38 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low66° / 48°
Month to date3.16 in (normal 3.03 in)

Patuxent River Nas, records since 1945. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasters' discussion

From the National Weather Service office in LWX, issued 3 hrs ago

What Has Changed

A Coastal Flood Advisory has been issued for Annapolis. Otherwise, there have been no significant changes to the forecast thinking for the next seven days.

Key Messages

- 1) Frost or freezing temperatures are possible in many areas tonight and Sunday night.

- 2) Dry weather continues through next week along with generally seasonable temperatures.

Discussion

KEY MESSAGE 1...Frost or freezing temperatures are possible in many areas tonight and Sunday night.

With a large area of Canadian high pressure building overhead through the weekend, conditions will likely become favorable for radiational cooling (light to calm winds, mainly clear skies and a cool background airmass). At the moment, it is unclear which night will be the coldest, although tonight (Saturday night) will have a slight advantage given the position of the high overhead.

The growing season for 2026 has ended along and west of the Blue Ridge and Catoctin Mountains, but continues east of there. Any headlines for frost/freeze conditions will only be issued where the growing season remains active.

For tonight, more widespread cold (possible frost/freeze) conditions are possible as high pressure settles more directly overhead. This would bring the frost/freeze threat for most areas outside the major urban centers (downtown DC/Baltimore) and immediate shore of the Chesapeake Bay. If the colder guidance verifies, then the growing season may end for more areas west of I-95 come early Sunday morning. The high will remain overhead through Monday morning, and the low-level airmass doesn't change appreciably, so frost/freeze conditions will be possible again Sunday night.

Did not make appreciable changes to the previous min temperature forecasts, which are near or below the coldest guidance which performs best in radiational cooling (MOS, NBM 10 percentile and Canadian Regional).

KEY MESSAGE 2...Dry weather continues through next week along with generally seasonable temperatures.

Aviation

VFR conditions are expected to prevail through early next week. There are some hints that a slight uptick in low-level moisture could lead to some patchy fog during the early morning hours through the weekend, though confidence in timing and extent of sub-VFR is low at this time. The NAM and related guidance is by far the most aggressive with this outcome, but is an outlier.

E to SE flow is expected today, with light to calm winds again tonight. Wind direction may be a bit variable, ranging from SE to NE as high pressure passes directly overhead Sunday.

P6SM SKC as high pressure dominates early next week. A dry cold front will cross the area late Monday night with winds shifting to N/NW Tuesday.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.