Long range weather outlook for Sumy includes 14 day forecast summary:
For Sumy in the coming two weeks the average daytime maximum temperature will be around -9°C, with a high for the two weeks of -6°C expected on the afternoon of Thursday 22nd.
The mean minimum temperature will be -13°C, dipping to its lowest on the morning of Sunday 25th at -17°C.
Expect the following 14 days ahead to
have mixed overhead conditions with some days dry and some seeing a significant amount of snow.
Predictions are Thursday 22nd will have the most precipitation with an accumulation of around 2.0mm.
On the whole winds are likely to be moderate.
Fri 16 Jan | 11:00 |
 NE
|
10 / 12 mph
|
13 / 1°F
| 82% |
1035 mb
|
27%
|
0.0 In
|
|
| 14:00 |
 NNE
|
11 / 14 mph
|
16 / 3°F
| 82% |
1035 mb
|
41%
|
0.0 In
|
|
| 17:00 |
 NNE
|
10 / 14 mph
|
13 / 0°F
| 89% |
1036 mb
|
32%
|
0.0 In
|
|
| 20:00 |
 NE
|
9 / 13 mph
|
11 / -2°F
| 81% |
1037 mb
|
34%
|
0.0 In
|
|
| 23:00 |
 NE
|
9 / 12 mph
|
10 / -3°F
| 86% |
1038 mb
|
22%
|
0.0 In
|
|
Sat 17 Jan | 02:00 |
 NE
|
10 / 14 mph
|
10 / -4°F
| 89% |
1039 mb
|
35%
|
0.0 In
|
|
| 05:00 |
 ENE
|
10 / 15 mph
|
9 / -5°F
| 89% |
1039 mb
|
35%
|
0.0 In
|
|
| 08:00 |
 ENE
|
11 / 16 mph
|
9 / -5°F
| 88% |
1040 mb
|
32%
|
0.0 In
|
|
| 11:00 |
 ENE
|
12 / 15 mph
|
14 / 0°F
| 80% |
1041 mb
|
6%
|
0.0 In
|
|
| 14:00 |
 ENE
|
11 / 14 mph
|
16 / 3°F
| 80% |
1041 mb
|
4%
|
0.0 In
|
|
| 17:00 |
 ENE
|
10 / 15 mph
|
13 / 0°F
| 89% |
1042 mb
|
29%
|
0.0 In
|
|
| 20:00 |
 ENE
|
9 / 13 mph
|
12 / -1°F
| 89% |
1043 mb
|
34%
|
0.0 In
|
|
| 23:00 |
 ENE
|
9 / 13 mph
|
11 / -1°F
| 89% |
1044 mb
|
29%
|
0.0 In
|
|
Sun 18 Jan | 02:00 |
 ENE
|
8 / 12 mph
|
10 / -1°F
| 90% |
1044 mb
|
28%
|
0.0 In
|
|
| 05:00 |
 ENE
|
7 / 12 mph
|
10 / -1°F
| 90% |
1044 mb
|
21%
|
0.0 In
|
|
| 08:00 |
 ENE
|
7 / 12 mph
|
10 / -1°F
| 88% |
1045 mb
|
23%
|
0.0 In
|
|
| 11:00 |
 ENE
|
8 / 10 mph
|
16 / 5°F
| 78% |
1045 mb
|
37%
|
0.0 In
|
|
| 14:00 |
 NE
|
7 / 10 mph
|
18 / 9°F
| 77% |
1043 mb
|
22%
|
0.0 In
|
|
| 17:00 |
 NE
|
6 / 10 mph
|
15 / 6°F
| 90% |
1043 mb
|
47%
|
0.0 In
|
|
| 20:00 |
 NE
|
5 / 9 mph
|
14 / 6°F
| 83% |
1043 mb
|
88%
|
0.0 In
|
|
| 23:00 |
 NE
|
4 / 8 mph
|
13 / 6°F
| 78% |
1043 mb
|
100%
|
0.0 In
|
|
Mon 19 Jan | 02:00 |
 NNE
|
4 / 8 mph
|
12 / 5°F
| 78% |
1042 mb
|
38%
|
0.0 In
|
|
| 05:00 |
 NNE
|
3 / 7 mph
|
10 / 4°F
| 80% |
1041 mb
|
44%
|
0.0 In
|
|
| 08:00 |
 N
|
4 / 8 mph
|
11 / 4°F
| 73% |
1040 mb
|
100%
|
0.0 In
|
|
| 11:00 |
 NNW
|
5 / 8 mph
|
17 / 9°F
| 60% |
1039 mb
|
100%
|
0.0 In
|
|
| 14:00 |
 NW
|
6 / 9 mph
|
19 / 11°F
| 71% |
1037 mb
|
71%
|
0.0 In
|
|
| 17:00 |
 NW
|
7 / 10 mph
|
17 / 8°F
| 86% |
1036 mb
|
21%
|
0.0 In
|
|
| 20:00 |
 NW
|
7 / 11 mph
|
17 / 7°F
| 87% |
1035 mb
|
62%
|
0.0 In
|
|
| 23:00 |
 NW
|
7 / 10 mph
|
16 / 6°F
| 87% |
1034 mb
|
48%
|
0.0 In
|
|
Tue 20 Jan | 02:00 |
 NW
|
6 / 10 mph
|
16 / 6°F
| 85% |
1033 mb
|
43%
|
0.0 In
|
|
| 05:00 |
 NNW
|
6 / 9 mph
|
14 / 5°F
| 90% |
1032 mb
|
48%
|
0.0 In
|
|
| 08:00 |
 NNW
|
4 / 8 mph
|
13 / 5°F
| 94% |
1032 mb
|
78%
|
0.0 In
|
|
| 11:00 |
 NW
|
4 / 5 mph
|
18 / 12°F
| 87% |
1031 mb
|
88%
|
0.0 In
|
|
| 14:00 |
 NW
|
5 / 7 mph
|
20 / 13°F
| 86% |
1030 mb
|
73%
|
0.0 In
|
|
| 17:00 |
 WNW
|
5 / 8 mph
|
17 / 10°F
| 96% |
1029 mb
|
90%
|
0.0 In
|
|
| 20:00 |
 WNW
|
5 / 8 mph
|
17 / 9°F
| 95% |
1027 mb
|
100%
|
0.0 In
|
|
| 23:00 |
 WNW
|
5 / 7 mph
|
16 / 9°F
| 92% |
1026 mb
|
100%
|
0.0 In
|
|
Wed 21 Jan | 02:00 |
 WNW
|
5 / 9 mph
|
14 / 6°F
| 89% |
1025 mb
|
98%
|
0.0 In
|
|
| 05:00 |
 WNW
|
5 / 10 mph
|
13 / 4°F
| 86% |
1024 mb
|
93%
|
0.0 In
|
|
| 08:00 |
 NW
|
5 / 8 mph
|
14 / 7°F
| 87% |
1023 mb
|
93%
|
0.0 In
|
|
| 11:00 |
 NW
|
4 / 6 mph
|
18 / 11°F
| 84% |
1022 mb
|
72%
|
0.0 In
|
|
| 14:00 |
 NW
|
4 / 5 mph
|
21 / 15°F
| 84% |
1021 mb
|
100%
|
0.0 In
|
|
| 17:00 |
 WNW
|
4 / 4 mph
|
20 / 15°F
| 95% |
1020 mb
|
88%
|
0.0 In
|
|
| 20:00 |
 NW
|
3 / 4 mph
|
18 / 14°F
| 97% |
1019 mb
|
82%
|
0.0 In
|
|
| 23:00 |
 NNW
|
1 / 1 mph
|
16 / 16°F
| 98% |
1019 mb
|
93%
|
0.0 In
|
|
Thu 22 Jan | 02:00 |
 S
|
2 / 3 mph
|
16 / 14°F
| 95% |
1019 mb
|
100%
|
0.0 In
|
|
| 05:00 |
 SE
|
2 / 4 mph
|
15 / 12°F
| 95% |
1018 mb
|
98%
|
0.0 In
|
|
| 08:00 |
 SE
|
4 / 6 mph
|
16 / 10°F
| 94% |
1019 mb
|
100%
|
0.0 In
|
|
| 11:00 |
 ESE
|
6 / 8 mph
|
19 / 11°F
| 88% |
1019 mb
|
100%
|
0.0 In
|
|
| 14:00 |
 ESE
|
7 / 9 mph
|
21 / 13°F
| 88% |
1019 mb
|
100%
|
0.0 In
|
|
| 17:00 |
 E
|
7 / 9 mph
|
21 / 12°F
| 94% |
1019 mb
|
98%
|
0.0 In
|
|
| 20:00 |
 E
|
9 / 12 mph
|
19 / 8°F
| 93% |
1020 mb
|
98%
|
0.0 In
|
|
| 23:00 |
 E
|
8 / 11 mph
|
17 / 7°F
| 93% |
1021 mb
|
100%
|
0.0 In
|
|
Fri 23 Jan | 02:00 |
 NNW
|
6 / 7 mph
|
10 / 0°F
| 90% |
1029 mb
|
49%
|
0.0 In
|
|
| 08:00 |
 NNE
|
7 / 8 mph
|
7 / -4°F
| 89% |
1030 mb
|
61%
|
0.0 In
|
|
| 14:00 |
 NNE
|
10 / 12 mph
|
10 / -4°F
| 78% |
1029 mb
|
100%
|
0.0 In
|
|
| 20:00 |
 NNE
|
11 / 12 mph
|
5 / -10°F
| 86% |
1035 mb
|
69%
|
0.0 In
|
|
Sat 24 Jan | 02:00 |
 NNE
|
9 / 13 mph
|
11 / -2°F
| 92% |
1031 mb
|
65%
|
0.0 In
|
|
| 08:00 |
 N
|
9 / 11 mph
|
2 / -13°F
| 89% |
1036 mb
|
61%
|
0.0 In
|
|
| 14:00 |
 NE
|
13 / 15 mph
|
11 / -3°F
| 81% |
1029 mb
|
100%
|
0.0 In
|
|
| 20:00 |
 NNE
|
9 / 10 mph
|
4 / -9°F
| 88% |
1039 mb
|
44%
|
0.0 In
|
|
Sun 25 Jan | 02:00 |
 NNE
|
9 / 12 mph
|
2 / -12°F
| 90% |
1034 mb
|
42%
|
0.0 In
|
|
| 08:00 |
 NNE
|
6 / 6 mph
|
4 / -6°F
| 85% |
1041 mb
|
16%
|
0.0 In
|
|
| 14:00 |
 NNE
|
8 / 10 mph
|
9 / -4°F
| 77% |
1035 mb
|
3%
|
0.0 In
|
|
| 20:00 |
 NNW
|
4 / 5 mph
|
8 / 0°F
| 88% |
1039 mb
|
32%
|
0.0 In
|
|
Mon 26 Jan | 02:00 |
 NNW
|
4 / 5 mph
|
3 / -5°F
| 94% |
1035 mb
|
70%
|
0.0 In
|
|
| 08:00 |
 NW
|
4 / 5 mph
|
5 / -3°F
| 90% |
1037 mb
|
9%
|
0.0 In
|
|
| 14:00 |
 WNW
|
8 / 10 mph
|
8 / -5°F
| 82% |
1031 mb
|
66%
|
0.0 In
|
|
| 20:00 |
 WNW
|
4 / 5 mph
|
11 / 3°F
| 91% |
1034 mb
|
3%
|
0.0 In
|
|
Tue 27 Jan | 02:00 |
 WNW
|
6 / 9 mph
|
2 / -9°F
| 95% |
1030 mb
|
51%
|
0.0 In
|
|
| 08:00 |
 WSW
|
3 / 4 mph
|
8 / 2°F
| 88% |
1031 mb
|
0%
|
0.0 In
|
|
| 14:00 |
 W
|
8 / 10 mph
|
10 / -2°F
| 81% |
1027 mb
|
35%
|
0.0 In
|
|
| 20:00 |
 S
|
5 / 9 mph
|
14 / 5°F
| 85% |
1027 mb
|
4%
|
0.0 In
|
|
Wed 28 Jan | 02:00 |
 WSW
|
5 / 8 mph
|
4 / -6°F
| 92% |
1025 mb
|
71%
|
0.0 In
|
|
| 08:00 |
 S
|
8 / 13 mph
|
12 / 1°F
| 78% |
1025 mb
|
100%
|
0.0 In
|
|
| 14:00 |
 WSW
|
6 / 7 mph
|
15 / 6°F
| 85% |
1022 mb
|
100%
|
0.0 In
|
|
| 20:00 |
 S
|
10 / 17 mph
|
15 / 3°F
| 70% |
1025 mb
|
100%
|
0.0 In
|
|
Thu 29 Jan | 02:00 |
 N
|
5 / 7 mph
|
8 / -1°F
| 97% |
1022 mb
|
82%
|
0.0 In
|
|
| 08:00 |
 S
|
11 / 17 mph
|
21 / 9°F
| 95% |
1024 mb
|
100%
|
0.0 In
|
|
| 14:00 |
 NNE
|
8 / 9 mph
|
10 / -2°F
| 80% |
1023 mb
|
100%
|
0.0 In
|
|
| 20:00 |
 S
|
7 / 12 mph
|
24 / 15°F
| 97% |
1018 mb
|
100%
|
0.3 In
|
|
Fri 30 Jan | 02:00 |
 NE
|
11 / 15 mph
|
5 / -10°F
| 87% |
1026 mb
|
45%
|
0.0 In
|
|
| 08:00 |
 NW
|
8 / 15 mph
|
11 / 0°F
| 96% |
1021 mb
|
68%
|
0.0 In
|
|
| 14:00 |
 NE
|
18 / 22 mph
|
8 / -11°F
| 84% |
1023 mb
|
100%
|
0.0 In
|
|
| 20:00 |
 SW
|
3 / 4 mph
|
17 / 13°F
| 97% |
1025 mb
|
100%
|
0.0 In
|
|
Sat 31 Jan | 02:00 |
 NNE
|
17 / 26 mph
|
1 / -19°F
| 92% |
1023 mb
|
100%
|
0.1 In
|
|
| 08:00 |
 SSE
|
4 / 9 mph
|
12 / 4°F
| 97% |
1027 mb
|
43%
|
0.0 In
|
|
| 14:00 |
 N
|
14 / 17 mph
|
6 / -11°F
| 80% |
1028 mb
|
43%
|
0.0 In
|
|
| 20:00 |
 ESE
|
4 / 9 mph
|
15 / 9°F
| 97% |
1028 mb
|
76%
|
0.0 In
|
|
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