Weather in Watertown, New York for January 2026
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Watertown is transformed into a snow paradise in January, with more than 20 snowy days on average.
According to Watertown snow forecast for January 2026, 2 snowy days are expected until the end of the month. The closest date with snow is Thursday, January 29.Until now, January 2026 in Watertown is slightly cooler than the historical average by -0.8 °F.
The forecast for the coming days of January 2026 predicts a temperature of -10.3 °F , which is warmer than usual.
In general, the average temperature in Watertown at the beginning of January is -2.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of -7.3 °F by the end of January.
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Watertown Weather January
Temperatures trend during January in Watertown
January weather in Watertown day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Moderate rain | -3° /-7° | 16.9 mm | 1.1 cm | |
| Jan. 2 |  Blowing snow | -2° /-7° | 10.1 mm | 0 cm | |
| Jan. 3 |  Overcast | -3° /-7° | 0 mm | 0 cm | |
| Jan. 4 | Overcast | -5° /-9° | 0 mm | 0 cm | |
| Jan. 5 |  Moderate snow | -3° /-11° | 8.5 mm | 6.2 cm | |
| Jan. 6 |  Light snow | -2° /-7° | 0.5 mm | 0.4 cm | |
| Jan. 7 |  Moderate or heavy snow showers | -2° /-6° | 6.7 mm | 2.9 cm | |
| Jan. 8 | Moderate snow | -2° /-6° | 1.2 mm | 0.8 cm | |
| Jan. 9 |  Light sleet | 2° /-6° | 9.8 mm | 0 cm | |
| Jan. 10 | Moderate or heavy snow showers | 2° /-4° | 3.8 mm | 0.7 cm | |
| Jan. 11 | Moderate or heavy snow showers | 0° /-5° | 14.2 mm | 4 cm | |
| Jan. 12 |  Light freezing rain | 0° /-6° | 7.3 mm | 4.1 cm | |
| Jan. 13 | Moderate snow | 2° /-2° | 11.5 mm | 4.3 cm | |
| Jan. 14 |  Blizzard | -1° /-4° | 12.9 mm | 3.1 cm | |
| Jan. 15 |  Heavy snow | -4° /-11° | 8.8 mm | 5.4 cm | |
| Jan. 16 | Overcast | -4° /-12° | 1.6 mm | 1.1 cm | |
| Jan. 17 |  Mist | -1° /-9° | 5.1 mm | 3 cm | |
| Jan. 18 | Moderate snow | -2° /-8° | 14.2 mm | 6.8 cm | |
| Jan. 19 | Light snow | -4° /-12° | 4.6 mm | 2.8 cm | |
| Jan. 20 | Moderate or heavy snow showers | -9° /-15° | 2.5 mm | 1.8 cm | |
| Jan. 21 | Moderate snow | -7° /-14° | 17.8 mm | 12.9 cm | |
| Jan. 22 | Moderate snow | -4° /-12° | 10.1 mm | 5.3 cm | |
| Jan. 23 | Heavy snow | -4° /-10° | 5 mm | 3.6 cm | |
| Jan. 24 |  Light drizzle | -6° /-13° | 3.8 mm | 1.1 cm | |
| Jan. 25 | Fog | -4° /-11° | 4.1 mm | 2.7 cm | |
| Jan. 26 | Moderate snow | -3° /-7° | 13.2 mm | 6.3 cm | |
| Jan. 27 | Light snow | -2° /-8° | 3.2 mm | 2.2 cm | |
| Jan. 28 | Moderate snow | -2° /-10° | 8.5 mm | 1.7 cm | |
| Jan. 29 |  Patchy moderate snow | -11° /-20° | 0.7 mm | 0.4 cm | |
| Jan. 30 |  Partly cloudy | -15° /-26° | 0 mm | 0 cm | |
| Jan. 31 | Partly cloudy | -14° /-20° | 0 mm | 0 cm | |
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Watertown in January - FAQ
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Watertown snow forecast January 2026
January rainfall patterns in Watertown
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