Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 18

New Moon 0%

No Rise

No Set

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:06. Moon - Rise: No Rise, Set: No Set. Civil Dark: N/A - N/A. Nautical Dark: 15:11 - 09:01. Astro Dark: 17:28 - 06:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
88
98
98
93
96
94
92
98
97
99
100
100
100
98
100
100

Low Clouds (% Sky Obscured)

95
96
99
100
100
97
99
54
30
39
74
56
62
76
78
92
92
97
97
99
100
95
91
93

Medium Clouds (% Sky Obscured)

33
93
90
83
4
0
0
0
0
11
89
41
21
8
34
4
4
58
85
80
72
4
4
46

High Clouds (% Sky Obscured)

95
72
70
70
13
20
89
97
70
92
76
67
63
65
59
71
63
60
58
59
65
70
94
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
1
2
4
6
9
8
8
9
9
7
3
6
0
0
0
0
1

Fog (%)

69
0
2
8
1
2
2
0
0
0
0
0
0
0
1
0
1
1
2
1
2
2
2
1

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

66
71
64
75
69
60
39
21
4
2
1
2
7
16
16
26
31
22
30
36
30
26
18
10

Precipitation Amount (mm)

0.3
0.4
0.3
0.5
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
8
7
8
9
10
11
11
10
9
8
7
7
8
8
8
10
11
10
11
12
11
11

Chance of Frost

Temperature (°C)

-2
-3
-3
-3
-3
-3
-5
-6
-7
-9
-9
-9
-9
-9
-8
-8
-8
-6
-6
-5
-4
-4
-4
-4

Feels Like (°C)

-5
-6
-7
-8
-7
-8
-10
-11
-12
-14
-14
-14
-13
-14
-13
-13
-12
-11
-10
-9
-8
-7
-8
-9

Dew Point (°C)

-3
-3
-3
-4
-4
-4
-6
-8
-9
-11
-11
-11
-11
-12
-11
-10
-10
-8
-7
-6
-5
-4
-5
-5

Relative Humidity (%)

96
98
96
94
94
94
89
87
87
83
85
83
82
78
78
80
83
87
89
90
94
96
96
94

Pressure (mb)

1010
1010
1011
1011
1012
1012
1013
1014
1014
1015
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1015

Ozone (du)

356
363
367
368
368
367
363
359
355
350
346
343
339
337
335
333
330
328
326
324
323
320
319
318

Monday 19

Waxing Crescent 1%

No Rise

No Set

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:06. Moon - Rise: No Rise, Set: No Set. Civil Dark: N/A - N/A. Nautical Dark: 15:17 - 08:55. Astro Dark: 17:32 - 06:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
96
100

Low Clouds (% Sky Obscured)

92
91
99
86
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
96
100

Medium Clouds (% Sky Obscured)

51
41
50
54
15
0
0
0
0
0
0
0
0
0
27
0
7
0
5
0
0
0
0
0

High Clouds (% Sky Obscured)

97
100
100
100
87
85
69
70
70
69
30
60
60
70
85
78
70
53
10
2
0
0
0
0

ISS Passover

Visibility (miles)

1
3
4
5
4
3
2
1
1
0
0
0
0
2
3
2
2
2
2
3
6
6
9
9

Fog (%)

1
1
1
1
1
1
1
2
2
3
1
2
1
1
1
1
2
5
6
15
6
9
15
10

Precipitation Type

None
None
None
None
None
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
24
21
29
36
39
41
36
31
30
33
34
27
24
32
24
17
5
19
13
11
9
5
6

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
12
12
12
13
12
13
14
13
13
14
13
13
13
14
13
13
12
11
10
10
10
10

Chance of Frost

Temperature (°C)

-4
-3
-3
-3
-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
-1
-1
-2
-1
-1
-2
-2
-1
-2
-2

Feels Like (°C)

-9
-8
-8
-8
-7
-6
-7
-7
-7
-6
-6
-6
-5
-6
-6
-6
-6
-5
-6
-6
-6
-5
-6
-6

Dew Point (°C)

-5
-4
-4
-4
-3
-2
-3
-3
-2
-2
-2
-1
-1
-1
-2
-1
-2
-2
-2
-3
-3
-2
-3
-3

Relative Humidity (%)

94
94
94
92
92
96
96
96
98
98
98
98
98
98
96
98
96
98
94
92
94
94
92
89

Pressure (mb)

1015
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1021
1021
1022
1022
1023

Ozone (du)

317
315
314
313
312
311
310
309
309
308
308
308
308
308
306
304
299
299
299
300
297
298
301
306

Tuesday 20

Waxing Crescent 3%

No Rise

No Set

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:06. Moon - Rise: No Rise, Set: No Set. Civil Dark: N/A - N/A. Nautical Dark: 15:23 - 08:50. Astro Dark: 17:37 - 06:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
100
99
100
100
93
96
100
91
95
98
100
95
98
99
97

Low Clouds (% Sky Obscured)

100
85
85
98
98
97
99
100
96
99
99
100
100
89
96
100
57
59
64
69
80
91
94
89

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
15
7
0
7
0
0
0
6
0
33
67
100
95
96
90
63

High Clouds (% Sky Obscured)

50
45
61
54
77
77
91
100
94
76
25
4
1
0
0
65
65
65
65
42
0
0
0
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
3
1
1
0
0
0
2
9
9
9
3
3
2
4
3

Fog (%)

5
2
1
8
0
0
0
1
42
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
12
12
7
5
4
10
6
19
12
11
8
8
14
5
7
10
9
8
8
14
16
23
26

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
9
9
10
10
10
10
9
9
9
9
8
8
7
7
7
8
8
8
8
7
7
7

Chance of Frost

Temperature (°C)

-2
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-2
-2

Feels Like (°C)

-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-4
-5
-5
-5
-6
-5
-6
-6

Dew Point (°C)

-3
-3
-3
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-3

Relative Humidity (%)

87
86
89
91
91
91
92
92
94
94
96
96
98
98
98
94
91
92
92
92
94
94
94
94

Pressure (mb)

1023
1024
1024
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

303
299
297
294
290
289
287
285
283
283
280
280
282
284
289
296
298
299
297
294
291
283
281
282

Wednesday 21

Waxing Crescent 8%

12:53

16:15

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:07. Moon - Rise: 12:53, Set: 16:15. Civil Dark: N/A - N/A. Nautical Dark: 15:29 - 08:44. Astro Dark: 17:41 - 06:28

Total Clouds (% Sky Obscured)

94
91
91
92
94
91
88
86
88
90
93
88
76
69
79
89
99
99
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

85
82
84
88
92
87
82
78
81
85
88
78
69
60
70
82
92
91
90
88
87
86
85
86

Medium Clouds (% Sky Obscured)

37
11
8
4
0
0
0
0
0
0
0
0
0
0
30
57
81
76
72
64
60
53
47
49

High Clouds (% Sky Obscured)

1
0
0
0
0
0
1
0
0
0
0
3
6
17
46
59
69
56
42
31
34
42
46
43

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
0
0
0
1
1
5
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

31
35
34
34
36
37
34
32
29
29
28
25
26
20
20
24
24
36
43
46
48
44
41
42

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.2
0.1
0.1
0.1

Wind Speed/Direction (mph)

7
7
7
6
6
5
5
5
5
5
6
6
5
5
4
4
5
5
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

-2
-3
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-2
-2
-2
-2
-2

Feels Like (°C)

-7
-7
-6
-7
-6
-6
-6
-6
-7
-6
-7
-6
-6
-6
-6
-6
-6
-6
-5
-5
-4
-5
-5
-4

Dew Point (°C)

-3
-4
-3
-3
-3
-3
-3
-3
-3
-3
-4
-3
-4
-4
-3
-3
-3
-3
-3
-3
-2
-2
-2
-2

Relative Humidity (%)

92
94
94
94
96
98
100
98
98
98
96
96
92
96
98
98
98
98
98
98
100
98
98
100

Pressure (mb)

1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1025
1025
1025
1025
1024
1024
1024
1024
1023

Ozone (du)

280
276
274
274
273
271
271
273
272
269
267
265
264
265
268
269
271
272
273
273
273
272
269
272

Thursday 22

Waxing Crescent 14%

10:45

20:04

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 OK
05 Bad
06 Bad
07 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:07. Moon - Rise: 10:45, Set: 20:04. Civil Dark: N/A - N/A. Nautical Dark: 15:35 - 08:39. Astro Dark: 17:46 - 06:24

Total Clouds (% Sky Obscured)

98
99
99
98
99
100
99
99
99
99
99
100
100
100
92
86
77
65
53
37
34
45
56
70

Low Clouds (% Sky Obscured)

86
87
91
95
99
99
97
97
96
96
95
100
100
100
92
86
77
65
53
37
34
45
56
70

Medium Clouds (% Sky Obscured)

54
61
68
67
63
64
64
63
69
79
95
92
87
81
54
27
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

33
28
12
7
9
4
6
9
6
13
40
9
8
7
10
6
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
9
9
9
9
6
3
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Snow
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
37
39
41
50
59
68
72
77
84
84
67
58
49
39
29
17
19
18
16
21
23
23
22

Precipitation Amount (mm)

0.1
0
0
0
0.1
0.2
0.3
0.3
0.4
0.5
0.5
0.3
0.2
0.1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
8
9
9
10
10
10
7
6
7

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-2
-2
-2
-2
-1
-2
-2
-2
-2
-2
-2
-2
-3
-4
-6
-7
-9
-9
-10
-10

Feels Like (°C)

-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-6
-6
-5
-5
-5
-5
-3
-3
-9
-9
-10
-10
-10
-10

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-2
-2
-1
-2
-3
-2
-2
-2
-2
-3
-4
-6
-8
-9
-11
-11
-12
-12

Relative Humidity (%)

100
98
100
100
98
98
98
98
100
100
98
98
98
98
100
94
91
85
85
85
85
85
86
88

Pressure (mb)

1023
1023
1023
1022
1022
1022
1021
1021
1020
1020
1020
1019
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

278
282
285
288
291
297
294
296
319
333
342
343
334
326
318
317
317
317
319
322
324
328
332
336

Friday 23

Waxing Crescent 23%

09:27

23:12

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:07. Moon - Rise: 09:27, Set: 23:12. Civil Dark: N/A - N/A. Nautical Dark: 15:42 - 08:33. Astro Dark: 17:51 - 06:19

Total Clouds (% Sky Obscured)

84
98
97
96
94
94
94
95
91
87
83
69
56
43
44
46
48
54
59
65
70
75
81
81

Low Clouds (% Sky Obscured)

84
97
96
94
92
90
89
88
83
79
75
68
56
43
44
46
48
54
59
64
69
75
80
81

Medium Clouds (% Sky Obscured)

4
3
3
3
3
3
4
4
4
3
3
2
1
0
0
0
0
0
0
0
0
2
8
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5

ISS Passover

Visibility (miles)

0
1
1
1
2
2
2
3
3
4
6
8
8
8
8
6
4
2
2
1
1
1
1
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
21
19
16
12
16
17
15
14
13
11
10
6
0
1
1
0
0
0
0
2
2
0
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
5
4
4
4
4
4
4
4
4
3
3
3
2
2
2
2
2
2
2
2
3

Chance of Frost

Temperature (°C)

-11
-11
-11
-12
-12
-13
-13
-13
-14
-14
-14
-14
-15
-15
-16
-16
-16
-17
-18
-18
-19
-19
-19
-20

Feels Like (°C)

-15
-15
-14
-14
-13
-14
-17
-17
-17
-17
-18
-17
-18
-18
-19
-19
-19
-19
-21
-21
-22
-22
-22
-22

Dew Point (°C)

-13
-13
-13
-14
-14
-15
-16
-16
-16
-17
-17
-17
-17
-17
-18
-18
-19
-19
-20
-21
-21
-22
-22
-22

Relative Humidity (%)

86
86
85
83
83
81
81
81
81
81
81
81
81
81
81
81
81
81
80
80
80
79
79
79

Pressure (mb)

1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

336
336
336
337
339
340
343
346
349
351
353
355
355
355
355
354
353
352
351
350
349
349
348
348

Saturday 24

Waxing Crescent 33%

05:25

03:39

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:08. Moon - Rise: 05:25, Set: 03:39. Civil Dark: N/A - N/A. Nautical Dark: 15:48 - 08:27. Astro Dark: 17:56 - 06:15

Total Clouds (% Sky Obscured)

82
82
88
93
97
92
91
92
91
91
90
84
79
65
48
38
42

Low Clouds (% Sky Obscured)

82
82
88
93
97
91
84
80
80
80
79
66
50
28
24
21
21

Medium Clouds (% Sky Obscured)

43
57
63
70
72
48
21
0
0
0
0
0
0
0
8
18
26

High Clouds (% Sky Obscured)

14
24
14
9
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
1
1
2
3
4
3
2
2
1
1
0
2
3
4
6
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
1
1
1
5
7
7
8
7
4
6
6
5
4
3
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
4
4
4
4
4
4
3
3
3
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

-20
-20
-20
-19
-19
-18
-17
-17
-17
-16
-17
-17
-17
-17
-17
-17
-16

Feels Like (°C)

-23
-23
-23
-22
-22
-21
-21
-21
-21
-21
-21
-21
-21
-21
-21
-21
-21

Dew Point (°C)

-22
-22
-23
-22
-21
-21
-20
-19
-19
-19
-19
-19
-20
-19
-19
-20
-19

Relative Humidity (%)

78
78
78
78
78
79
79
80
79
78
80
80
79
79
80
79
77

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

348
349
349
349
350
350
351
353
354
355
356
357
358
359
361
361
362

Forecast for Longyearbyen, Spitsbergen, Svalbard and Jan Mayen (78.15,16.04)

Generated: 18/01/26 08:26:25. Forecast: 18/01/26 to 24/01/26. Timezone: UTC+1.00