Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 19

Waxing Crescent 3%

09:38

17:38

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
08 Bad
09 Bad
10 OK
11 OK
12 OK
13 Good
14 OK

Sun - Rise: 08:34, Set: 17:03, Transit: 12:49. Moon - Rise: 09:38, Set: 17:38. Civil Dark: 17:41 - 07:56. Nautical Dark: 18:23 - 07:14. Astro Dark: 19:03 - 06:33

Total Clouds (% Sky Obscured)

100
100
98
100
95
83
62
63
70
62
51
54
63
70
70
61
78
55
54
41
38
27
17
26

Low Clouds (% Sky Obscured)

1
1
12
10
5
8
1
7
1
1
1
1
0
0
0
4
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
99
98
100
95
80
58
63
42
42
34
32
32
33
70
35
74
55
43
19
23
0
0
0

High Clouds (% Sky Obscured)

1
2
10
5
6
55
12
5
39
1
2
4
18
22
3
19
53
7
15
9
11
25
16
26

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
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)

6
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7

Chance of Frost

Temperature (°C)

5
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
4
5
7
7

Feels Like (°C)

2
2
1
1
0
-0
-0
-0
-1
1
1
1
1
1
1
-0
1
-2
-1
-1
1
2
4
6

Dew Point (°C)

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

Relative Humidity (%)

73
80
85
86
85
83
83
83
85
85
85
86
88
86
86
88
88
88
88
85
77
74
72
71

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017

Ozone (du)

368
368
365
366
367
366
365
366
365
365
365
363
362
362
362
361
358
353
354
355
355
355
354
352

Tuesday 20

Waxing Crescent 8%

09:52

18:58

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

Sun - Rise: 08:33, Set: 17:04, Transit: 12:49. Moon - Rise: 09:52, Set: 18:58. Civil Dark: 17:43 - 07:55. Nautical Dark: 18:25 - 07:13. Astro Dark: 19:05 - 06:33

Total Clouds (% Sky Obscured)

36
60
49
55
72
56
41
45
43
19
38
69
76
41
40
30
23
25
37
31
81
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
4
0
0
0
0
0
0
0
0
2
1
1
1
3
60

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
31
50
43
65
90

High Clouds (% Sky Obscured)

36
60
48
47
70
41
29
30
26
19
38
69
76
41
40
30
23
10
29
17
78
100
100
100

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
79
85
88
88
88
86
88
88
89
89
89
91
89
89
89
88
86
84
81
77
75
75
75

Pressure (mb)

1016
1016
1015
1015
1014
1014
1014
1013
1012
1012
1011
1010
1009
1009
1008
1007
1006
1005
1005
1004
1004
1003
1002
1001

Ozone (du)

353
354
356
356
358
360
362
362
362
362
361
360
361
365
364
362
363
366
369
370
369
367
364
361

Wednesday 21

Waxing Crescent 8%

10:03

20:18

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:32, Set: 17:06, Transit: 12:50. Moon - Rise: 10:03, Set: 20:18. Civil Dark: 17:44 - 07:54. Nautical Dark: 18:26 - 07:12. Astro Dark: 19:06 - 06:32

Total Clouds (% Sky Obscured)

100
100
100
100
97
99
90
87
99
94
100
91
93
96
99
100
100
100
100
98
96
94
96
98

Low Clouds (% Sky Obscured)

59
49
30
16
45
34
30
29
44
33
31
21
20
26
38
33
24
13
1
14
28
43
42
40

Medium Clouds (% Sky Obscured)

91
90
65
72
87
83
72
62
75
91
97
91
93
89
91
83
83
78
73
74
79
72
93
96

High Clouds (% Sky Obscured)

100
100
100
100
80
96
61
58
97
66
100
61
69
80
95
100
100
100
100
93
87
83
87
94

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
1
0
0
0
0
0
0
0
0
0
1
2
2
1
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)

9
10
10
11
11
11
11
9
9
10
9
9
9
9
10
10
10
10
10
11
11
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
78
78
76
75
76
75
77
82
80
80
79
79
77
79
77
80
78
78
76
70
70
69
67

Pressure (mb)

1000
1000
1000
999
999
998
998
998
997
997
997
997
996
996
996
996
996
996
996
996
996
996
995
995

Ozone (du)

357
355
353
355
355
351
351
350
350
349
350
351
351
351
349
348
348
347
346
345
345
345
346
348

Thursday 22

Waxing Crescent 15%

10:14

21:38

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:30, Set: 17:08, Transit: 12:50. Moon - Rise: 10:14, Set: 21:38. Civil Dark: 17:46 - 07:52. Nautical Dark: 18:28 - 07:11. Astro Dark: 19:08 - 06:31

Total Clouds (% Sky Obscured)

100
100
100
100
96
92
89
91
94
97
92
87
83
88
92
96
90
86
81
85
88
91
81
72

Low Clouds (% Sky Obscured)

39
40
55
59
45
25
15
17
29
40
39
44
49
61
77
93
82
73
63
42
45
43
31
16

Medium Clouds (% Sky Obscured)

100
100
99
99
96
92
89
91
93
87
87
84
38
44
47
48
40
29
22
21
23
30
55
72

High Clouds (% Sky Obscured)

100
100
100
100
72
40
5
30
52
78
52
26
4
0
0
0
0
5
5
18
28
41
28
14

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

10
10
11
11
11
10
11
11
10
10
10
10
10
11
11
11
11
11
10
10
10
11
11
11

Chance of Frost

Temperature (°C)

7
6
6
5
5
5
5
5
4
4
4
4
3
4
4
4
4
4
4
4
5
6
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
71
72
74
75
75
75
73
73
71
63
62
67
67
68
72
76
77
82
82
79
76
75
74

Pressure (mb)

995
995
995
995
995
995
995
995
995
995
995
995
995
994
994
995
995
995
995
996
996
996
996
996

Ozone (du)

350
351
351
352
355
358
362
366
376
383
386
389
394
393
391
385
385
378
374
368
364
362
362
364

Friday 23

Waxing Crescent 23%

10:25

22:59

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:29, Set: 17:09, Transit: 12:50. Moon - Rise: 10:25, Set: 22:59. Civil Dark: 17:47 - 07:51. Nautical Dark: 18:29 - 07:10. Astro Dark: 19:09 - 06:30

Total Clouds (% Sky Obscured)

63
60
55
48
63
80
95
94
86
83
82
82
83
87
87
82
82
82
82
76
73
71
77
81

Low Clouds (% Sky Obscured)

1
1
5
1
8
12
18
31
29
36
37
37
39
38
40
38
41
44
45
45
43
41
36
35

Medium Clouds (% Sky Obscured)

63
41
25
22
49
42
23
28
29
52
53
50
36
31
35
40
50
60
68
62
52
44
40
38

High Clouds (% Sky Obscured)

0
0
0
0
33
67
95
80
65
50
65
82
83
80
59
39
34
28
23
18
13
9
22
36

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
1
2
4
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)

11
11
11
10
10
9
9
8
7
7
7
7
7
7
6
6
7
7
7
7
7
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
76
78
80
82
80
83
85
83
86
83
85
89
94
94
93
94
91
88
86
80
75
70
71

Pressure (mb)

996
996
996
996
997
997
998
998
998
998
998
999
999
999
999
1000
1000
1001
1001
1002
1002
1002
1002
1002

Ozone (du)

365
368
369
371
371
372
369
368
368
368
367
368
369
370
370
371
371
372
373
374
376
377
379
380

Saturday 24

Waxing Crescent 33%

10:37

00:21

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:28, Set: 17:11, Transit: 12:50. Moon - Rise: 10:37, Set: 00:21. Civil Dark: 17:49 - 07:50. Nautical Dark: 18:31 - 07:09. Astro Dark: 19:11 - 06:29

Total Clouds (% Sky Obscured)

86
90
94
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

36
41
47
53
51
54
55
69
83
97
97
96
95
83
74
63
64
69
71
75
78
85
87
87

Medium Clouds (% Sky Obscured)

35
48
63
76
79
80
83
75
58
45
56
67
77
83
91
99
98
97
97
98
98
99
99
100

High Clouds (% Sky Obscured)

49
41
33
25
39
54
69
74
80
86
71
51
34
40
70
100
100
100
100
100
100
100
100
99

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
1
1
0
20
26
26
26
23
16
21
21
13
14
12

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
75
76
79
80
80
78
77
74
74
71
73
71
73
73
73
73
73
71
71
73
73
74
73

Pressure (mb)

1002
1003
1003
1003
1004
1004
1004
1004
1005
1005
1005
1005
1005
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

382
384
384
384
383
384
384
384
384
384
383
384
384
385
385
386
386
388
391
393
395
397
399
400

Sunday 25

Waxing Crescent 45%

10:53

01:48

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

Sun - Rise: 08:26, Set: 17:13, Transit: 12:51. Moon - Rise: 10:53, Set: 01:48. Civil Dark: 17:51 - 07:49. Nautical Dark: 18:32 - 07:07. Astro Dark: 19:12 - 06:28

Total Clouds (% Sky Obscured)

100
100
99
99
100
100
100
98
97
95
97
98
100
100
100
100

Low Clouds (% Sky Obscured)

88
87
85
83
80
78
77
76
75
72
81
89
98
98
99
100

Medium Clouds (% Sky Obscured)

100
97
95
94
93
92
91
90
90
88
86
85
83
83
81
81

High Clouds (% Sky Obscured)

99
94
89
85
91
96
100
85
80
85
90
95
90
89
88
93

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
4
1
2
2

Fog (%)

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

Precipitation Probability (%)

9
9
9
6
11
12
12
11
9
7
13
16
17
19
19
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
70
73
74
74
77
78
80
83
84
86
87
89
92
91
89

Pressure (mb)

1005
1005
1005
1006
1006
1006
1007
1007
1007
1008
1008
1008
1009
1009
1009
1010

Ozone (du)

401
402
403
404
405
405
406
406
406
405
405
404
404
403
402
401

Forecast for Amersfoort, Gemeente Amersfoort, Netherlands (52.16,5.39)

Generated: 19/01/26 15:15:51. Forecast: 19/01/26 to 25/01/26. Timezone: UTC+1.00