Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 18

New Moon 1%

08:17

17:25

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

Sun - Rise: 07:36, Set: 16:48, Transit: 12:12. Moon - Rise: 08:17, Set: 17:25. Civil Dark: 17:21 - 07:03. Nautical Dark: 17:58 - 06:27. Astro Dark: 18:34 - 05:51

Total Clouds (% Sky Obscured)

26
42
54
79
86
76
72
55
56
53
44
43
42
45
44
41
38
30
22
24
20
19
22
25

Low Clouds (% Sky Obscured)

26
42
54
79
86
76
72
38
43
39
31
29
31
31
28
28
25
21
15
16
16
17
20
23

Medium 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
0

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
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
1
2
6
7
9
9
9
8
7
6
6
5
5
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 (%)

0
0
1
1
1
1
0
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
0
0

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)

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

Chance of Frost

Temperature (°C)

-2
-3
-3
-3
-3
-3
-3
-3
-3
-4
-4
-4
-4
-5
-4
-3
-3
-1
-1
-0
-0
-1
-3
-4

Feels Like (°C)

-4
-4
-6
-6
-6
-6
-5
-5
-4
-5
-5
-5
-5
-6
-6
-5
-4
-3
-3
-3
-3
-3
-5
-5

Dew Point (°C)

-4
-4
-5
-5
-5
-5
-4
-4
-5
-5
-6
-6
-6
-7
-8
-9
-10
-10
-10
-10
-10
-9
-8
-7

Relative Humidity (%)

91
92
87
86
82
82
87
91
91
91
87
85
85
84
73
63
56
51
47
46
49
55
68
75

Pressure (mb)

1032
1032
1032
1033
1032
1032
1032
1033
1033
1032
1032
1033
1033
1033
1034
1034
1033
1033
1032
1031
1032
1032
1032
1033

Ozone (du)

330
331
332
334
338
339
340
340
338
335
334
334
334
335
339
345
349
352
352
352
351
350
352
353

Monday 19

Waxing Crescent 3%

08:42

18:37

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

Sun - Rise: 07:36, Set: 16:50, Transit: 12:13. Moon - Rise: 08:42, Set: 18:37. Civil Dark: 17:23 - 07:03. Nautical Dark: 17:59 - 06:26. Astro Dark: 18:35 - 05:50

Total Clouds (% Sky Obscured)

27
28
27
34
36
37
36
36
35
36
36
35
39
42
45
39
36
36
31
30
21
4
0
8

Low Clouds (% Sky Obscured)

24
25
27
30
32
32
35
32
31
32
27
26
28
31
33
30
27
24
24
20
16
3
0
8

Medium 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
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
1
0
2
2
2
2
2
2
2
3
1
2
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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 (%)

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 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)

4
4
4
3
3
3
3
3
3
3
2
2
2
2
3
3
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

-4
-4
-5
-5
-5
-6
-6
-6
-6
-6
-6
-7
-7
-7
-6
-5
-4
-3
-2
-1
-1
-2
-3
-5

Feels Like (°C)

-6
-5
-6
-7
-6
-7
-7
-6
-7
-7
-7
-8
-8
-8
-7
-7
-6
-4
-4
-3
-3
-4
-5
-6

Dew Point (°C)

-8
-7
-8
-8
-8
-8
-8
-8
-8
-8
-9
-9
-9
-9
-10
-11
-11
-12
-12
-11
-11
-10
-8
-8

Relative Humidity (%)

78
81
79
81
80
82
82
82
84
82
82
84
82
80
73
62
55
50
47
46
48
56
68
75

Pressure (mb)

1033
1033
1033
1033
1033
1033
1033
1033
1033
1032
1032
1032
1032
1032
1032
1031
1031
1029
1028
1027
1027
1026
1026
1026

Ozone (du)

355
357
360
364
368
371
374
378
383
386
387
391
393
395
396
394
394
393
391
392
391
393
395
396

Tuesday 20

Waxing Crescent 8%

09:02

No Set

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

Sun - Rise: 07:35, Set: 16:51, Transit: 12:13. Moon - Rise: 09:02, Set: No Set. Civil Dark: 17:24 - 07:02. Nautical Dark: 18:00 - 06:25. Astro Dark: 18:36 - 05:50

Total Clouds (% Sky Obscured)

16
23
25
32
31
31
37
42
47
48
49
48
42
42
48
48
48
62
55
57
49
35
28
23

Low Clouds (% Sky Obscured)

16
23
25
32
31
31
37
42
47
48
49
48
42
42
45
46
48
40
35
26
20
14
9
4

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
26
42
49
35
28
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
23
9
9
1
2
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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 (%)

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 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)

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

Chance of Frost

Temperature (°C)

-5
-5
-6
-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-7
-6
-6
-4
-4
-3
-3
-2
-3
-3
-4

Feels Like (°C)

-6
-7
-7
-7
-7
-7
-7
-7
-7
-7
-8
-8
-7
-7
-7
-7
-5
-5
-4
-4
-4
-3
-4
-5

Dew Point (°C)

-8
-8
-8
-8
-8
-8
-8
-9
-9
-9
-9
-9
-9
-9
-10
-11
-11
-11
-11
-12
-11
-10
-9
-9

Relative Humidity (%)

79
82
80
84
82
84
84
84
84
84
85
85
85
85
76
67
59
54
50
48
50
57
66
70

Pressure (mb)

1026
1026
1026
1025
1025
1024
1023
1023
1022
1021
1021
1020
1019
1019
1019
1018
1017
1016
1014
1013
1012
1012
1012
1011

Ozone (du)

398
401
403
403
403
403
404
404
403
403
401
402
400
396
394
394
392
391
390
392
391
391
387
383

Wednesday 21

Waxing Crescent 14%

09:20

19:50

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

Sun - Rise: 07:34, Set: 16:52, Transit: 12:13. Moon - Rise: 09:20, Set: 19:50. Civil Dark: 17:25 - 07:01. Nautical Dark: 18:02 - 06:25. Astro Dark: 18:37 - 05:49

Total Clouds (% Sky Obscured)

25
28
32
34
42
46
49
47
42
35
34
29
28
29
25
22
23
25
40
46
59
85
78
61

Low Clouds (% Sky Obscured)

12
20
29
34
37
41
46
45
42
35
34
29
28
29
25
22
23
25
40
46
45
43
36
31

Medium Clouds (% Sky Obscured)

25
28
32
34
35
36
44
47
42
35
34
29
19
9
0
10
21
25
40
46
59
52
26
0

High Clouds (% Sky Obscured)

1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
10
20
25
40
46
59
70
44
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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 (%)

0
0
0
2
2
1
2
2
1
2
2
1
1
1
0
1
1
1
1
1
1
1
1
0

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)

1
0
0
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
1
1
1
1
1
1

Chance of Frost

Temperature (°C)

-4
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-4
-5
-4
-3
-2
-1
0
1
2
2
1
0
-0

Feels Like (°C)

-6
-5
-5
-6
-6
-6
-6
-6
-5
-5
-5
-5
-5
-5
-4
-3
-2
-1
0
0
1
1
-3
-4

Dew Point (°C)

-9
-8
-8
-9
-8
-8
-8
-8
-8
-8
-8
-8
-8
-7
-9
-10
-11
-12
-12
-11
-9
-7
-6
-6

Relative Humidity (%)

72
75
76
76
77
77
77
77
79
79
79
78
79
76
65
54
46
40
37
38
44
54
62
67

Pressure (mb)

1011
1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007
1006
1006
1006
1006
1005
1005
1004
1003
1003
1003
1003
1004

Ozone (du)

385
383
381
380
380
380
381
381
378
380
381
380
379
377
377
378
379
381
385
385
388
385
382
382

Thursday 22

Waxing Crescent 23%

09:37

21:03

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

Sun - Rise: 07:33, Set: 16:54, Transit: 12:13. Moon - Rise: 09:37, Set: 21:03. Civil Dark: 17:26 - 07:00. Nautical Dark: 18:03 - 06:24. Astro Dark: 18:38 - 05:48

Total Clouds (% Sky Obscured)

49
38
35
41
52
60
71
82
87
86
71
59
95
96
97
98
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

24
15
5
13
20
30
20
11
2
10
22
44
77
80
83
85
88
89
90
90
92
95
96
98

Medium Clouds (% Sky Obscured)

0
1
1
10
19
29
25
21
15
18
15
15
41
42
39
59
80
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

12
17
29
26
29
30
53
67
75
75
49
10
73
83
92
95
98
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
2
2
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
34
44
52
60
65
63
70
76
79
87
93
90

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

1
1
2
2
3
3
3
3
3
3
3
3
2
1
1
1
1
1
1
1
1
1
1
1

Chance of Frost

Temperature (°C)

-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
0
1
1
1
1
1
0
0
0

Feels Like (°C)

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

Dew Point (°C)

-6
-6
-6
-6
-6
-7
-7
-6
-6
-6
-6
-5
-6
-5
-5
-5
-4
-3
-2
-1
-1
-0
-0
0

Relative Humidity (%)

68
68
71
71
72
72
72
74
76
76
78
78
76
74
71
69
74
80
84
88
92
96
96
98

Pressure (mb)

1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

384
384
384
384
381
375
369
367
362
360
361
362
366
369
372
376
379
383
387
385
383
382
379
377

Friday 23

Waxing Crescent 33%

09:55

22:16

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:32, Set: 16:55, Transit: 12:14. Moon - Rise: 09:55, Set: 22:16. Civil Dark: 17:28 - 06:59. Nautical Dark: 18:04 - 06:23. Astro Dark: 18:40 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
96
93
89
86
85
84
90
95
100
99
98
98
97
97
97

Low Clouds (% Sky Obscured)

98
98
99
99
99
99
99
100
100
96
91
87
86
85
84
85
83
81
79
78
77
84
89
93

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
92
84
74
46
23
0
0
0
0
3
7
15
20
26
29
41
53
66

High Clouds (% Sky Obscured)

100
100
100
96
89
83
74
64
30
13
3
0
0
1
1
12
37
75
82
83
79
56
31
7

ISS Passover

Visibility (miles)

1
1
0
0
0
0
0
0
0
0
0
0
0
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

95
95
95
95
95
94
82
68
50
45
43
41
37
33
30
25
21
11
16
16
8
29
45
60

Precipitation Amount (mm)

0.5
0.6
0.6
0.7
0.7
0.6
0.5
0.3
0.2
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

2
1
1
1
1
0
1
1
1
1
1
1
1
0
0
1
0
1
1
1
2
2
1
1

Chance of Frost

Temperature (°C)

1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
2
2
3
3
3
2
2
2

Feels Like (°C)

-2
-2
-2
-2
-2
-2
-1
-2
-2
-2
-2
-2
-2
-1
-1
-1
-1
-1
0
1
1
0
0
0

Dew Point (°C)

0
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
2
2
3
3
2
2
2

Relative Humidity (%)

98
98
98
98
98
100
100
100
100
98
100
100
100
100
100
98
98
98
98
100
100
98
98
100

Pressure (mb)

1004
1004
1004
1004
1004
1004
1005
1004
1004
1004
1005
1005
1005
1005
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005

Ozone (du)

374
374
375
375
374
372
371
371
371
371
370
370
370
370
370
371
371
372
373
373
372
372
373
373

Saturday 24

Waxing Crescent 44%

10:14

23:31

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:31, Set: 16:57, Transit: 12:14. Moon - Rise: 10:14, Set: 23:31. Civil Dark: 17:29 - 06:59. Nautical Dark: 18:06 - 06:22. Astro Dark: 18:41 - 05:47

Total Clouds (% Sky Obscured)

99
99
100
96
91
85
90
95
100
100
100
100
96
92
88
92
96
99

Low Clouds (% Sky Obscured)

91
90
86
80
76
72
75
78
80
76
68
62
59
57
54
63
72
81

Medium Clouds (% Sky Obscured)

77
89
100
94
88
82
79
75
71
79
90
100
71
42
12
18
14
20

High Clouds (% Sky Obscured)

27
54
71
60
50
37
43
38
28
33
45
59
63
68
72
68
64
61

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
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

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
82
41
46
46
43
49
53
54
63
69
76

Precipitation Amount (mm)

0.8
1.5
2.2
1.9
1.4
0.8
0.6
0.4
0
0
0
0
0
0
0
0.2
0.3
0.3

Wind Speed/Direction (mph)

1
2
2
2
1
1
2
2
2
2
2
2
2
1
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
-1
-1
-1
-2
-2
-2
-1
-2
-1
-1
-0
1
-1
-1
-1
-1
-1

Dew Point (°C)

1
1
1
1
1
1
1
2
2
2
1
1
1
2
3
3
3
3

Relative Humidity (%)

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

Pressure (mb)

1005
1004
1004
1004
1004
1003
1003
1003
1002
1002
1002
1002
1001
1001
1001
1002
1001
1000

Ozone (du)

373
377
380
384
390
396
402
406
409
413
413
414
414
410
407
403
401
399

Forecast for Ljubljana, Republic of Slovenia (46.06,14.51)

Generated: 18/01/26 18:40:08. Forecast: 18/01/26 to 24/01/26. Timezone: UTC+1.00