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Onondaga County (Syracuse)
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United States weather

Weather in Onondaga County, New York for January 2026

Your guide to Onondaga County weather in January - trends and predictions

    Snow Forecast ❄️

  • Expect heavy snowfall in Onondaga County during January, with an average of 18 snowy days.
    According to Onondaga County snow forecast for January 2026, 1 snowy day is expected at the beginning of January at Thursday, January 1.

    • Temperatures

  • The forecast for the next days in Onondaga County predicts temperatures to be around -2 °F, close to the historical average.

  • In general, the average temperature in Onondaga County at the beginning of January is -1.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 1.4 °F by the end of January.

    • More

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Average dry days
7
Dry days
Average rainy days
6
Rainy days
Average snowy days
18
Snow days
Average temperatures
-1°/-6°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Onondaga County Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate snow
-5°
2
Mist
-3°
3
Partly cloudy
-2°
4
Fog
0°
5
Fog
2°
6
Light snow
-2°
7
Heavy snow
-2°
8
Light snow showers
-2°
9
Moderate snow
1°
10
Moderate snow
4°
11
Moderate or heavy snow showers
1°
12
Light snow showers
1°
13
Light snow
3°
14
Light snow
-3°
15
Light freezing rain
-5°
16
Moderate or heavy snow showers
-4°
17
Light snow showers
-3°
18
Light snow
-1°
19
Heavy snow
-2°
20
Moderate or heavy snow showers
-7°
21
Light snow showers
-8°
22
Heavy snow
-4°
23
Heavy snow
-2°
24
Light drizzle
-2°
25
Fog
0°
26
Light rain shower
4°
27
Fog
2°
28
Heavy snow
1°
29
Moderate or heavy snow showers
-0°
30
Overcast
-0°
31
Overcast
3°

Temperatures trend during January in Onondaga County

See the weather trend as well as the moving average line

January weather in Onondaga County day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Moderate snow
Moderate snow
 -5° /-13° 0.8 mm 0.5 cm
Jan. 2 Mist
Mist
 -3° /-15° 0 mm 0 cm
Jan. 3 Partly cloudy
Partly cloudy
 -2° /-12° 0 mm 0 cm
Jan. 4 Fog
Fog
 0° /-9° 0.2 mm 0 cm
Jan. 5 Fog
Fog
 2° /-2° 0.2 mm 0 cm
Jan. 6 Light snow
Light snow
 -2° /-8° 0.4 mm 0.3 cm
Jan. 7 Heavy snow
Heavy snow
 -2° /-8° 6.7 mm 4.1 cm
Jan. 8 Light snow showers
Light snow showers
 -2° /-7° 5.3 mm 3.8 cm
Jan. 9 Moderate snow
Moderate snow
 1° /-8° 4.5 mm 0.1 cm
Jan. 10 Moderate snow
Moderate snow
 4° /-4° 1.8 mm 0.1 cm
Jan. 11 Moderate or heavy snow showers
Moderate or heavy snow showers
 1° /-3° 5.4 mm 3.9 cm
Jan. 12 Light snow showers
Light snow showers
 1° /-2° 4.2 mm 0.4 cm
Jan. 13 Light snow
Light snow
 3° /-3° 6.4 mm 0 cm
Jan. 14 Light snow
Light snow
 -3° /-7° 0.6 mm 0 cm
Jan. 15 Light freezing rain
Light freezing rain
 -5° /-7° 0 mm 0 cm
Jan. 16 Moderate or heavy snow showers
Moderate or heavy snow showers
 -4° /-8° 0.8 mm 0.6 cm
Jan. 17 Light snow showers
Light snow showers
 -3° /-8° 0.1 mm 0 cm
Jan. 18 Light snow
Light snow
 -1° /-4° 3.3 mm 1.7 cm
Jan. 19 Heavy snow
Heavy snow
 -2° /-11° 3 mm 2.2 cm
Jan. 20 Moderate or heavy snow showers
Moderate or heavy snow showers
 -7° /-12° 3.7 mm 2.7 cm
Jan. 21 Light snow showers
Light snow showers
 -8° /-12° 0.5 mm 0.3 cm
Jan. 22 Heavy snow
Heavy snow
 -4° /-13° 0.5 mm 0.3 cm
Jan. 23 Heavy snow
Heavy snow
 -2° /-5° 3.5 mm 1.8 cm
Jan. 24 Light drizzle
Light drizzle
 -2° /-4° 3.9 mm 0 cm
Jan. 25 Fog
Fog
 0° /-5° 0.1 mm 0 cm
Jan. 26 Light rain shower
Light rain shower
 4° /-2° 4.6 mm 0 cm
Jan. 27 Fog
Fog
 2° /-4° 0.1 mm 0 cm
Jan. 28 Heavy snow
Heavy snow
 1° /-5° 5.3 mm 1.5 cm
Jan. 29 Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-6° 5.8 mm 4.2 cm
Jan. 30 Overcast
Overcast
 0° /-6° 0 mm 0 cm
Jan. 31 Overcast
Overcast
 3° /-2° 3.6 mm 1.6 cm
Next
Important Notice
Our weather forecast for Onondaga County in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Onondaga County forecast closer to your planned date for the most up-to-date weather information.
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Onondaga County in January - FAQ

What are the expected maximum and minimum temperatures in Onondaga County during January?
Brace for cold days with temperatures not exceeding -1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Onondaga County during January?
Significant rainfall exceeding 101 mm is expected in Onondaga County during January, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Onondaga County in January 2026?
Onondaga County experiences an average snowfall of 35.17 cm during January, occurring over 18 days.
What are the typical wind conditions in Onondaga County during January?
The average wind speed in Onondaga County during January is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Onondaga County snow forecast January 2026

Track daily snowfall levels and discover Onondaga County’s snowy potential this January ❄️
On average, Onondaga County sees 18 snowy days during January, with approximately 35.2 cm of total snowfall.

January rainfall patterns in Onondaga County

Explore the daily rainfall trends and prepare for Onondaga Countys January weather 💧
Typically, Onondaga County has 6 rainy days in January with a total of 101 mm of rainfall.
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Syracuse
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Location coordinates Where is Onondaga County?

Get accurate weather forecasts for Onondaga County, located at latitude 43.048 and longitude -76.147. Stay updated with localized weather information tailored for Onondaga County.

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