Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 26

First Quarter 56%

11:16

03:17

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: 08:25, Set: 17:15, Transit: 12:51. Moon - Rise: 11:16, Set: 03:17. Civil Dark: 17:52 - 07:48. Nautical Dark: 18:34 - 07:06. Astro Dark: 19:14 - 06:26

Total Clouds (% Sky Obscured)

100
99
100
93
98
74
79
74
62
100
49
98
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

98
99
89
93
95
72
79
65
62
60
49
56
70
66
57
65
57
66
61
40
33
45
38
31

Medium Clouds (% Sky Obscured)

0
0
0
0
4
0
0
0
0
0
0
0
11
55
55
85
98
71
46
43
87
89
100
99

High Clouds (% Sky Obscured)

0
0
31
15
10
33
1
39
10
100
16
97
100
100
100
52
72
100
100
100
100
100
59
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
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
10

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
7
5
3
3
3
2
3
2
2
5
5
6
6
8
8
9
10
11
12
13
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
78
81
83
86
88
88
86
84
84
84
86
87
86
89
89
89
87
81
77
72
70
68

Pressure (mb)

1003
1003
1003
1004
1004
1004
1004
1004
1004
1005
1004
1003
1002
1002
1001
1000
999
999
998
997
996
995
994
993

Ozone (du)

462
454
448
440
433
428
428
437
448
447
440
426
410
401
397
389
385
380
377
375
373
372
374
370

Tuesday 27

Waxing Gibbous 68%

11:49

04:47

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: 08:23, Set: 17:17, Transit: 12:51. Moon - Rise: 11:49, Set: 04:47. Civil Dark: 17:54 - 07:46. Nautical Dark: 18:35 - 07:05. Astro Dark: 19:15 - 06:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

50
44
98
89
92
80
89
73
63
76
44
43
46
47
62
74
80
66
53
60
71
90
91
86

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
60
100
100
98
99
100
100
100
100
100
99
73
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
78
100
83
100
100
100
42
72
56
13
45
100
100

ISS Passover

Visibility (miles)

9
5
3
0
8
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
5
21
5
2
0
0
0
0

Precipitation Type

None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

42
83
95
95
91
76
33
16
34
31
15
4
1
2
8
9
0
0
1
1
0
2
1
1

Precipitation Amount (mm)

0
0.4
0.7
0.8
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
12
11
9
9
9
7
6
6
5
5
4
3
3
3
4
4
3
4
4
4
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
76
91
98
96
98
96
98
96
96
96
96
96
96
96
94
96
96
98
96
93
93
93
94

Pressure (mb)

992
992
992
992
992
992
993
993
993
994
994
994
995
995
995
995
996
996
997
997
997
998
998
997

Ozone (du)

365
364
366
367
367
367
366
367
367
366
368
364
365
368
369
367
369
372
375
378
378
383
406
419

Wednesday 28

Waxing Gibbous 79%

12:39

06:09

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: 08:22, Set: 17:18, Transit: 12:51. Moon - Rise: 12:39, Set: 06:09. Civil Dark: 17:56 - 07:45. Nautical Dark: 18:37 - 07:04. Astro Dark: 19:17 - 06:24

Total Clouds (% Sky Obscured)

100
100
100
100
94
92
82
75
77
90
100
100
100
96
94
97
99
100
76
72
67
65
64
63

Low Clouds (% Sky Obscured)

87
87
82
75
72
78
77
72
72
88
96
100
100
96
90
97
99
100
73
69
65
63
58
53

Medium Clouds (% Sky Obscured)

100
100
100
100
87
70
50
50
45
45
45
51
62
45
53
55
60
60
60
60
60
52
61
56

High Clouds (% Sky Obscured)

100
100
100
100
12
19
10
10
10
10
15
15
15
15
30
40
45
60
65
55
55
55
45
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
1
1
0
0
0
0
0
0
0
0
0
5
9
9

Fog (%)

0
0
0
0
0
0
0
1
56
56
61
60
59
42
69
37
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

4
3
1
1
0
0
1
11
4
14
15
16
27
34
44
53
48
39
20
25
26
16
2
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
94
93
91
91
89
91
88
89
94
94
94
94
96
94
96
98
96
94
93
89
88
85

Pressure (mb)

998
998
999
999
999
1000
1000
1000
1000
1000
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1000

Ozone (du)

421
424
430
440
444
443
439
439
444
449
442
441
443
445
449
453
456
454
451
450
450
447
446
445

Thursday 29

Waxing Gibbous 88%

13:50

07:13

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: 08:20, Set: 17:20, Transit: 12:51. Moon - Rise: 13:50, Set: 07:13. Civil Dark: 17:57 - 07:44. Nautical Dark: 18:38 - 07:03. Astro Dark: 19:18 - 06:23

Total Clouds (% Sky Obscured)

62
58
51
52
68
79
94
96
98
100
100
100
100
100
100
100
100
96
91
84
82
79
95
99

Low Clouds (% Sky Obscured)

50
43
38
37
45
56
73
65
67
60
55
57
55
54
48
45
62
73
86
80
69
59
70
76

Medium Clouds (% Sky Obscured)

35
48
49
52
68
79
84
91
96
98
100
100
99
86
66
48
55
50
47
50
53
54
70
88

High Clouds (% Sky Obscured)

55
55
51
52
60
65
60
45
40
35
15
10
5
4
0
0
0
0
0
0
0
0
0
5

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

2
15
3
0
0
0
0
0
0
0
0
0
0
1
2
4
12
16
18
17
13
2
3
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
94
94
96
94
94
94
94
94
94
96
94
94
92
94
94
94
96
91
89
85
82
83

Pressure (mb)

1000
1000
1000
1000
999
999
999
999
999
999
999
999
999
998
998
998
998
998
998
998
998
998
998
998

Ozone (du)

442
438
435
437
433
425
417
408
394
383
377
375
377
379
378
375
375
377
379
378
378
376
375
376

Friday 30

Waxing Gibbous 95%

No Rise

07:57

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: 08:19, Set: 17:22, Transit: 12:51. Moon - Rise: No Rise, Set: 07:57. Civil Dark: 17:59 - 07:42. Nautical Dark: 18:40 - 07:01. Astro Dark: 19:20 - 06:22

Total Clouds (% Sky Obscured)

100
89
89
83
79
75
71
66
59
51
65
82
100
100
100
100
100
99
99
99
99
99
99
100

Low Clouds (% Sky Obscured)

86
78
76
67
64
63
60
56
48
40
44
50
56
62
64
69
99
99
98
98
99
99
99
99

Medium Clouds (% Sky Obscured)

74
69
52
25
16
9
4
3
1
2
53
75
100
100
100
100
79
61
42
32
20
20
20
25

High Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
33
67
100
73
46
19
6
11
15
11
6
2
2
2

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

2
5
6
7
9
9
8
3
3
4
5
7
8
15
27
36
57
55
51
53
52
48
59
68

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
88
91
89
88
88
89
91
91
91
89
93
93
93
93
94
93
93
94
94
94
96
94

Pressure (mb)

998
998
998
999
999
999
999
999
999
999
999
999
999
999
999
999
999
998
998
998
999
999
999
1000

Ozone (du)

377
386
389
393
388
386
392
397
400
404
405
402
403
405
407
409
412
414
415
417
420
423
425
425

Saturday 31

Waxing Gibbous 99%

15:16

08:26

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: 08:17, Set: 17:24, Transit: 12:52. Moon - Rise: 15:16, Set: 08:26. Civil Dark: 18:01 - 07:41. Nautical Dark: 18:42 - 07:00. Astro Dark: 19:21 - 06:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
97
96
94
95
93
93
93
93
95
97
99
99
99
99
98
98

Low Clouds (% Sky Obscured)

98
97
97
96
92
85
80
81
82
82
86
88
91
92
93
93
93
94
95
97
98
99
98
95

Medium Clouds (% Sky Obscured)

25
25
25
20
34
53
71
80
89
96
94
89
83
73
66
54
58
58
62
66
68
70
67
63

High Clouds (% Sky Obscured)

2
6
12
15
23
32
35
29
14
13
22
27
23
11
9
7
20
36
51
35
18
1
1
0

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

81
67
61
53
55
59
59
56
59
58
59
63
55
55
50
33
32
28
16
18
16
7
19
22

Precipitation Amount (mm)

0.8
0.4
0.3
0.2
0.2
0.3
0.2
0
0.2
0.2
0.2
0.3
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
94
93
93
94
94
94
94
96
96
96
96
96
94
94
94
96
96
94
94
93
93

Pressure (mb)

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

Ozone (du)

425
424
427
430
433
435
436
438
437
436
436
438
440
442
449
455
462
468
474
481
466
452
438
436

Sunday 1

Full Moon 100%

16:47

08:46

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

Sun - Rise: 08:16, Set: 17:26, Transit: 12:52. Moon - Rise: 16:47, Set: 08:46. Civil Dark: 18:02 - 07:39. Nautical Dark: 18:43 - 06:59. Astro Dark: 19:23 - 06:19

Total Clouds (% Sky Obscured)

97
86
74
63
76
89
98
96
94
93
94
96
98
96
94
93
84
72
59
61
67
72

Low Clouds (% Sky Obscured)

89
72
52
27
47
70
96
92
89
86
90
93
95
92
89
86
72
59
47
54
58
63

Medium Clouds (% Sky Obscured)

59
51
40
26
41
59
78
82
86
89
82
76
68
66
61
62
56
46
44
35
30
24

High Clouds (% Sky Obscured)

0
0
0
0
2
10
14
16
36
45
55
45
34
30
25
20
20
20
24
19
22
13

ISS Passover

Visibility (miles)

9
9
8
7
6
7
8
9
9
9
9
6
3
0
0
0
0
2
3
5
6
6

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

18
19
16
9
11
11
11
30
38
40
41
40
36
31
27
23
28
28
26
25
23
19

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
-1
-1
-3
-3
-3
-3
-3
-3
-5
-5
-6
-5
-6
-6
-7
-7
-6
-7
-6

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
94
94
94
94
93
91
92
91
92
92
92
92
91
91
91
89
91

Pressure (mb)

1000
1000
1000
999
999
999
999
999
999
999
999
999
998
998
998
998
997
997
997
997
997
997

Ozone (du)

435
434
430
426
422
420
417
415
415
415
415
413
411
409
410
410
410
412
414
416
415
413

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

Generated: 26/01/26 15:28:27. Forecast: 26/01/26 to 01/02/26. Timezone: UTC+1.00