Weather WorldCalcium, NY 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Calcium, NY Weather Forecast
Calcium, NY Weather Forecast Date: 1000 PM EDT Mon Oct 19 2026
The area/counties/county of: Jefferson, including the city of Watertown.or toggle through each period.
Overnight... Mainly clear. Lows ranging from the upper 30s across the tug hill to the lower 40s along the lake Ontario shore. Light winds.
Tuesday... Sunny. Highs in the upper 50s. Northeast winds 5 to 10 mph.
Tuesday Night... Clear with areas of frost developing overnight. Lows ranging from the lower 30s across the tug hill to the upper 30s along the lake Ontario shore. Light winds.
Wednesday... Sunny. Highs in the upper 50s. Light winds.
Wednesday Night... Mainly clear. Lows ranging from the mid 30s across the tug hill to around 40 along the lake Ontario shore. Light winds.
Thursday... Mostly sunny. Highs in the upper 50s.
Thursday Night... Mainly clear. Lows in the mid 30s.
Friday... Sunny. Highs in the lower 50s.
Friday Night... Mainly clear. Lows in the lower 30s.
Saturday... Sunny. Highs in the mid 50s.
Saturday Night... Mainly clear. Lows in the upper 30s.
Sunday... Sunny. Highs in the upper 50s.
Sunday Night... Partly cloudy. Lows in the mid 40s.
POP = Probability of Precipitation
Calcium Radar Loop
Use the map search tool if you want to place a location marker on the radar map...