Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 91%

13:20

05:34

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

Sun - Rise: 08:43, Set: 16:39, Transit: 12:41. Moon - Rise: 13:20, Set: 05:34. Civil Dark: 17:19 - 08:03. Nautical Dark: 18:02 - 07:20. Astro Dark: 18:42 - 06:40

Total Clouds (% Sky Obscured)

17
30
39
52
39
59
36
27
53
40
82
60
68
87
83
97
100
82
57
32
68
90
80
89

Low Clouds (% Sky Obscured)

17
30
39
52
17
33
23
27
31
28
60
30
40
43
48
73
97
56
25
32
66
63
67
84

Medium Clouds (% Sky Obscured)

17
30
24
38
19
13
6
5
16
9
22
21
14
42
35
34
28
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
1
15
15
32
3
18
63
41
42

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
1
1
0
0
0
0
0
0
2
2
3
4
4
13
2
1
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)

3
4
4
4
5
5
5
6
6
6
6
6
6
7
8
8
8
7
7
7
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
89
86
84
83
86
88
89
91
91
89
85
79
76
76
81
85
86
88
88
83
84
83

Pressure (mb)

1030
1029
1029
1029
1029
1028
1028
1027
1027
1027
1026
1026
1026
1025
1025
1024
1024
1023
1022
1022
1022
1021
1021
1020

Ozone (du)

331
330
326
324
322
319
315
314
315
316
317
318
319
315
315
312
312
317
318
316
306
303
303
303

Wednesday 31

Waxing Gibbous 88%

14:02

07:04

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
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:43, Set: 16:40, Transit: 12:41. Moon - Rise: 14:02, Set: 07:04. Civil Dark: 17:20 - 08:03. Nautical Dark: 18:03 - 07:20. Astro Dark: 18:43 - 06:40

Total Clouds (% Sky Obscured)

84
100
97
89
87
94
100
100
100
100
100
100
86
74
67
61
100
100
100
100
100
92
90
98

Low Clouds (% Sky Obscured)

72
95
92
89
87
89
89
91
88
84
77
94
85
74
66
59
77
74
70
76
70
62
65
78

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
40
45
29
35
0
7
54
46
91
57
58
100
100
87
85
86

High Clouds (% Sky Obscured)

17
4
4
2
1
66
96
96
97
100
100
73
52
0
4
5
93
100
96
91
10
5
0
77

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
1
9
9
9
9
4
8

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
Very Light Rain
None
None
Very Light Rain

Precipitation Probability (%)

0
0
1
3
2
1
2
1
3
10
25
57
39
12
18
38
37
34
33
45
48
33
46
60

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.2

Wind Speed/Direction (mph)

9
10
11
12
12
13
14
15
15
15
16
17
17
18
18
18
18
16
15
15
16
16
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
88
85
80
80
81
76
77
78
78
77
74
74
77
73
88
93
78
76
68
75
83
77

Pressure (mb)

1019
1018
1017
1016
1015
1014
1012
1011
1010
1009
1008
1007
1007
1006
1004
1003
1003
1002
1002
1002
1002
1001
1001
1001

Ozone (du)

300
299
298
296
297
295
294
294
294
292
298
308
314
319
330
351
371
389
396
398
387
372
370
365

Thursday 1

Waxing Gibbous 97%

15:04

08:21

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
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:42, Set: 16:41, Transit: 12:42. Moon - Rise: 15:04, Set: 08:21. Civil Dark: 17:21 - 08:03. Nautical Dark: 18:03 - 07:20. Astro Dark: 18:44 - 06:40

Total Clouds (% Sky Obscured)

100
98
100
99
77
99
90
72
73
41
97
91
100
98
84
100
77
85
77
84
80
75
72
80

Low Clouds (% Sky Obscured)

82
70
61
67
62
93
80
72
73
41
23
36
61
60
42
81
77
76
50
54
55
50
55
54

Medium Clouds (% Sky Obscured)

97
91
100
99
70
96
69
38
40
39
96
87
91
97
61
100
55
70
73
84
80
75
72
80

High Clouds (% Sky Obscured)

100
74
100
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)

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

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

Precipitation Probability (%)

66
60
47
51
59
62
75
52
39
32
42
33
39
40
41
91
95
40
10
27
37
44
41
30

Precipitation Amount (mm)

0
0.2
0
0.1
0.3
0.3
0.6
0.2
0
0
0
0
0.1
0
0
0.6
1.7
0.2
0
0
0
0.2
0.1
0

Wind Speed/Direction (mph)

12
15
15
15
15
15
16
15
14
14
13
14
13
15
14
16
15
15
12
12
12
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
85
83
75
77
70
74
93
72
72
70
76
72
63
57
56
83
88
76
74
88
80
91
92

Pressure (mb)

1001
1001
1001
1001
1001
1001
1000
1000
1000
1001
1001
1001
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1001
1001

Ozone (du)

365
357
361
366
368
374
381
380
386
391
394
397
398
399
402
406
407
413
419
420
416
414
418
418

Friday 2

Waxing Gibbous 100%

16:24

09:19

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
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:42, Set: 16:42, Transit: 12:42. Moon - Rise: 16:24, Set: 09:19. Civil Dark: 17:22 - 08:03. Nautical Dark: 18:04 - 07:20. Astro Dark: 18:45 - 06:40

Total Clouds (% Sky Obscured)

89
100
100
100
100
100
100
100
91
69
72
80
90
100
100
100
100
92
83
74
74
86
90
80

Low Clouds (% Sky Obscured)

59
67
68
71
72
69
67
65
66
66
67
73
79
85
83
81
79
77
74
73
73
71
76
68

Medium Clouds (% Sky Obscured)

88
99
99
100
100
100
100
100
88
14
70
73
85
100
100
100
99
80
57
33
23
57
61
45

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

7
9
9
9
9
9
6
6
9
9
1
9
0
0
9
5
9
9
4
4
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
Very Light Rain
Snow
Snow
None
Sleet
None
Sleet
Snow
Snow
Sleet
Snow
Sleet
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

18
31
32
32
20
55
62
55
38
52
45
58
95
58
67
51
56
63
54
37
16
10
5
15

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.3
0.2
0
0.2
0
0.2
1
0.2
0.3
0.1
0.2
0.4
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
8
8
10
11
12
14
13
12
12
12
11
11
15
13
13
11
10
9
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
94
92
92
88
81
88
84
86
84
94
89
98
98
93
80
81
84
86
78
76
77
80
81

Pressure (mb)

1001
1001
1001
1001
1001
1002
1001
1001
1002
1002
1003
1003
1003
1003
1004
1004
1004
1004
1004
1005
1005
1006
1007
1007

Ozone (du)

414
410
408
404
401
398
399
403
403
405
404
405
407
407
407
410
410
407
411
411
405
402
396
391

Saturday 3

Full Moon 99%

17:54

09:57

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
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:42, Set: 16:43, Transit: 12:43. Moon - Rise: 17:54, Set: 09:57. Civil Dark: 17:23 - 08:03. Nautical Dark: 18:05 - 07:20. Astro Dark: 18:46 - 06:40

Total Clouds (% Sky Obscured)

70
60
75
88
100
82
56
53
46
57
66
67
69
73
65
57
39
30
39
54
68
83
97
92

Low Clouds (% Sky Obscured)

61
57
55
56
42
49
29
27
29
33
53
58
58
70
64
57
39
30
39
54
61
67
74
75

Medium Clouds (% Sky Obscured)

57
45
63
87
100
82
44
53
35
45
60
60
60
65
65
57
39
30
39
54
68
83
97
92

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
5
1
8
9
9
9
9
9
9
7
9
9
9
9
9
9
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

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

Precipitation Probability (%)

39
49
68
17
13
21
25
13
4
4
20
25
25
33
34
34
32
31
28
27
24
24
23
24

Precipitation Amount (mm)

0
0.2
0.7
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
10
11
11
9
10
10
8
9
8
8
6
7
7
7
7
7
7
8
8
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
91
93
91
89
92
94
89
86
91
96
94
89
86
85
86
86
88
88
91
91
94
98

Pressure (mb)

1008
1008
1008
1009
1009
1010
1011
1012
1012
1013
1014
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018

Ozone (du)

383
381
376
371
365
369
376
374
379
381
380
387
390
390
395
395
394
394
394
394
394
394
394
394

Sunday 4

Waning Gibbous 96%

19:24

10:22

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
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:42, Set: 16:45, Transit: 12:43. Moon - Rise: 19:24, Set: 10:22. Civil Dark: 17:24 - 08:02. Nautical Dark: 18:07 - 07:20. Astro Dark: 18:47 - 06:39

Total Clouds (% Sky Obscured)

87
85
84
83
81
75
72
69
69
69
71
79
88
96
83
72
60
65
70
72
75
74
73
82

Low Clouds (% Sky Obscured)

76
81
83
83
81
75
72
66
66
69
68
68
67
68
64
60
57
58
60
64
62
57
54
56

Medium Clouds (% Sky Obscured)

87
77
72
81
80
75
72
69
69
69
70
74
85
93
70
48
25
25
20
18
14
12
12
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
5
10
10
10
15
13
12
7
5
1
0
0
0
0
0
0
1
3

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
3
6
8
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
23
29
34
41
44
46
50
42
37
36
32
27
15
13
10
3
8
8
3
9
12
11
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
9
8
8
7
7
7
8
8
8
8
8
8
8
8
7
7
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

1
1
1
1
0
0
-0
-1
-1
-1
-1
-1
-1
0
1
1
1
0
0
-0
-1
-1
-1
-1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
98
96
94
94
96
94
94
92
92
93
91
89
89
91
91
92
92
92
91

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020

Ozone (du)

386
378
371
372
373
375
378
381
385
386
387
389
391
394
397
397
397
398
394
391
387
387
387
386

Monday 5

Waning Gibbous 91%

20:49

10:40

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: 08:41, Set: 16:46, Transit: 12:44. Moon - Rise: 20:49, Set: 10:40. Civil Dark: 17:25 - 08:02. Nautical Dark: 18:08 - 07:20. Astro Dark: 18:48 - 06:39

Total Clouds (% Sky Obscured)

89
95
95
94
94
84
75
67
67
70
71
62
57
48
62
72
82
84
87
91

Low Clouds (% Sky Obscured)

58
59
57
58
60
56
55
55
58
62
63
54
49
48
47
47
50
61
70
80

Medium Clouds (% Sky Obscured)

56
78
76
75
74
59
46
34
30
23
16
16
15
12
24
32
40
35
34
31

High Clouds (% Sky Obscured)

4
10
6
5
1
1
1
0
0
0
0
1
2
4
17
33
47
49
48
48

ISS Passover

Visibility (miles)

7
6
4
6
7
9
6
3
0
3
6
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

Precipitation Type

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

Precipitation Probability (%)

9
10
10
9
7
26
35
37
30
18
2
1
1
0
1
3
2
3
2
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
6
6
6
6
5
5
5
5
6
7
7
8
9
9
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
94
94
94
94
96
98
98
94
91
89
87
88
86
86
86
88
86
84

Pressure (mb)

1020
1020
1020
1021
1021
1021
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

391
396
402
397
392
387
385
382
379
377
375
373
370
368
365
366
367
368
369
370

Forecast for Eindhoven, Gemeente Eindhoven, Netherlands (51.44,5.48)

Generated: 30/12/25 23:31:19. Forecast: 30/12/25 to 05/01/26. Timezone: UTC+1.00