Hazardous Weather Conditions
Current conditions at
Andover, Aeroflex-Andover Airport (K12N)
Lat: 41.01°NLon: 74.74°WElev: 584ft.30°F
-1°C
| Humidity | 88% |
| Wind Speed | S 3 mph |
| Barometer | 29.98 in (1015.9 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | NA |
| Last update | 18 Feb 3:54 am EST |
Extended Forecast for
Sparta NJ
Dense Fog Advisory February 18, 04:28am until February 18, 10:00am
NOW until 10:00am Wed

Dense Fog Advisory
Today

High: 42 °F
Rain and
Areas Dense
FogTonight
Low: 31 °F
Rain and
Patchy Fog
then Patchy
FogThursday
High: 39 °F
Patchy Fog
then Slight
Chance RainThursday Night
Low: 31 °F
Chance
Rain/Snow
then Wintry
Mix LikelyFriday

High: 39 °F
Rain/Snow
Friday Night

Low: 32 °F
Chance
Rain/SnowSaturday

High: 44 °F
Partly Sunny
Saturday Night
Low: 27 °F
Mostly Cloudy
then Chance
Snow
Detailed Forecast
Today
Rain, mainly after 10am. Areas of dense fog before 4pm, then patchy dense fog after 5pm. High near 42. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 10pm. Patchy fog before 2am, then patchy fog after 3am. Low around 31. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A slight chance of rain after 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 39. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.
Thursday Night
A chance of rain and snow before 1am, then rain and freezing rain likely, possibly mixed with snow between 1am and 4am, then rain likely, possibly mixed with snow after 4am. Cloudy, with a low around 31. Calm wind becoming east around 5 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. Little or no snow accumulation expected.
Friday
Rain before 10am, then rain, possibly mixed with snow between 10am and 1pm, then rain after 1pm. High near 39. East wind around 5 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow before 1am, then a slight chance of rain between 1am and 4am, then a slight chance of rain and snow after 4am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 44.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Sunday
Snow likely, mainly after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 29.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sparta NJ
41.05°N 74.62°W (Elev. 600 ft)
41.05°N 74.62°W (Elev. 600 ft)
4:13 am EST Feb 18, 2026
4am EST Feb 18, 2026-6pm EST Feb 24, 2026



