Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 12

Waning Crescent 17%

04:04

17:10

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: 05:45, Set: 21:23, Transit: 13:34. Moon - Rise: 04:04, Set: 17:10. Civil Dark: 22:05 - 05:03. Nautical Dark: 23:00 - 04:06. Astro Dark: 00:27 - 02:36

Total Clouds (% Sky Obscured)

100
95
76
64
46
65
67
58
85
92
93
99
100
99
88
89
88
99
86
89
73
80
100
100

Low Clouds (% Sky Obscured)

69
47
41
61
45
55
55
47
45
35
64
54
74
68
54
75
70
96
84
77
59
69
58
49

Medium Clouds (% Sky Obscured)

71
29
0
32
0
7
27
4
65
86
87
87
100
99
51
31
35
63
25
74
45
44
100
100

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
46
92

ISS Passover

Visibility (miles)

9
6
9
7
9
9
9
9
9
9
9
7
6
6
6
4
7
7
7
9
7
7
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

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

Precipitation Probability (%)

76
37
41
8
20
26
19
27
13
30
46
57
95
90
84
88
92
91
89
86
71
66
44
41

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0
0
0
0
0
0.6
0.5
0.4
0.4
0.7
0.6
0.7
0.6
0.4
0.5
0
0

Wind Speed/Direction (mph)

7
7
6
7
6
6
7
7
7
8
9
11
15
11
8
14
14
12
11
10
9
7
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
8
8
7
7
6
6
6
6
6
5
6
6
7
7
6
6
5
5
4
5
6
6
6

Relative Humidity (%)

90
96
96
96
94
94
94
94
93
85
74
69
71
85
83
70
67
62
66
63
67
77
84
88

Pressure (mb)

1007
1007
1006
1005
1005
1005
1004
1004
1004
1004
1003
1003
1002
1002
1001
1000
1000
999
999
999
998
998
998
998

Ozone (du)

422
420
420
420
423
424
422
419
421
425
427
428
428
427
427
428
428
429
428
428
432
435
438
435

Wednesday 13

Waning Crescent 9%

04:16

18:38

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 OK
21 OK
22 OK

Sun - Rise: 05:44, Set: 21:25, Transit: 13:34. Moon - Rise: 04:16, Set: 18:38. Civil Dark: 22:07 - 05:02. Nautical Dark: 23:03 - 04:03. Astro Dark: 00:32 - 02:30

Total Clouds (% Sky Obscured)

95
97
100
97
91
96
94
100
100
100
100
92
86
91
92
97
100
100
93
83
66
39
31
30

Low Clouds (% Sky Obscured)

47
53
61
42
63
87
81
53
72
82
81
67
63
80
56
53
54
46
49
42
26
32
6
17

Medium Clouds (% Sky Obscured)

92
92
100
93
67
73
37
100
100
100
100
71
69
54
86
95
100
100
79
43
34
12
20
17

High Clouds (% Sky Obscured)

32
1
1
12
2
5
9
15
17
19
11
62
46
17
5
1
37
2
7
33
5
1
6
4

ISS Passover

Visibility (miles)

7
8
7
9
6
9
9
9
9
7
8
9
9
5
8
6
6
5
8
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
Very Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

42
40
30
32
36
31
25
39
57
90
61
46
38
38
44
59
63
45
31
18
17
8
1
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.6
0
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
93
93
96
96
96
94
94
90
85
75
68
67
70
63
62
61
57
54
55
65
73
79

Pressure (mb)

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

Ozone (du)

435
436
437
439
437
436
435
435
438
438
438
439
438
437
435
434
434
435
435
434
434
435
434
435

Thursday 14

Waning Crescent 3%

04:31

20:11

23 OK
00 OK
01 Good
02 Good
03 OK
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: 05:42, Set: 21:26, Transit: 13:34. Moon - Rise: 04:31, Set: 20:11. Civil Dark: 22:09 - 05:00. Nautical Dark: 23:05 - 04:01. Astro Dark: 00:38 - 02:24

Total Clouds (% Sky Obscured)

35
22
2
13
32
78
26
75
92
100
100
80
84
85
99
100
100
100
99
98
95
96
97
98

Low Clouds (% Sky Obscured)

20
15
1
1
1
1
1
15
6
52
28
43
56
58
80
67
67
81
65
64
50
40
32
25

Medium Clouds (% Sky Obscured)

4
2
2
0
32
78
26
75
92
100
99
76
70
66
95
100
95
100
97
95
89
77
89
85

High Clouds (% Sky Obscured)

5
3
0
3
12
28
10
59
15
56
15
15
5
30
42
68
100
100
30
5
41
65
82
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
9
7
9
6
8
8
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
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

5
1
1
2
5
10
18
17
7
16
28
43
45
50
56
56
52
50
42
35
27
20
6
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
4
4
5
5
6
6
5
4
6
7
8
8
9
10
11
12
13
13
11
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
4
2
1
1
1
3
4
7
7
7
8
9
8
8
7
7
6
7
7
6
5

Dew Point (°C)

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

Relative Humidity (%)

82
82
83
86
88
88
89
91
90
84
73
69
66
60
57
60
59
65
67
77
81
80
84
88

Pressure (mb)

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

Ozone (du)

434
434
435
433
431
429
427
426
427
423
419
419
418
417
418
418
416
414
414
412
411
408
408
408

Friday 15

Waning Crescent 0%

04:51

21:47

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 OK
22 OK

Sun - Rise: 05:41, Set: 21:28, Transit: 13:34. Moon - Rise: 04:51, Set: 21:47. Civil Dark: 22:11 - 04:58. Nautical Dark: 23:08 - 03:58. Astro Dark: 00:45 - 02:16

Total Clouds (% Sky Obscured)

96
92
90
78
64
56
50
51
48
51
63
77
80
84
87
87
88
88
72
61
50
50
44
43

Low Clouds (% Sky Obscured)

31
37
45
42
41
49
49
50
48
50
50
54
52
57
57
50
48
44
38
39
43
46
44
43

Medium Clouds (% Sky Obscured)

84
84
85
77
64
46
50
51
48
51
63
23
23
26
33
40
41
41
39
36
30
20
9
0

High Clouds (% Sky Obscured)

81
72
65
61
43
9
20
32
35
15
10
5
5
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
8
9
7
9
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
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

8
11
13
25
35
36
29
38
38
53
47
45
47
35
13
14
14
10
12
13
4
5
3
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
6
6
6
6
6
6
7
8
10
11
13
13
13
13
12
13
11
11
8
6
4
4

Chance of Frost

Temperature (°C)

7
7
7
6
6
6
6
6
7
8
9
10
11
11
12
12
12
13
13
13
12
12
10
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
90
90
88
90
91
93
91
85
81
78
72
65
55
58
53
49
49
47
55
61
71
74

Pressure (mb)

1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1009
1010
1010
1010
1010
1011
1011
1011
1012
1012

Ozone (du)

409
410
410
410
408
407
406
408
409
412
414
417
422
426
429
432
433
432
430
431
432
427
416
409

Saturday 16

New Moon 1%

05:21

No Set

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

Sun - Rise: 05:39, Set: 21:29, Transit: 13:34. Moon - Rise: 05:21, Set: No Set. Civil Dark: 22:12 - 04:56. Nautical Dark: 23:10 - 03:56. Astro Dark: 00:53 - 02:07

Total Clouds (% Sky Obscured)

37
30
24
22
23
24
27
33
38
43
46
49
46
61
65
54
40
29
38
51
72
61
51
42

Low Clouds (% Sky Obscured)

37
30
24
17
11
4
3
2
1
1
2
2
4
27
39
37
31
29
23
13
13
8
4
4

Medium Clouds (% Sky Obscured)

2
4
4
4
10
14
19
29
33
38
43
42
38
31
23
14
7
2
8
14
20
16
14
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
3
5
5
6
6
8
9
10
7
3
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
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
3
15
18
19
26
24
19
20
19
16
12
9
5

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)

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

Chance of Frost

Temperature (°C)

8
7
7
6
5
5
5
5
6
8
10
12
13
14
15
15
15
15
15
15
14
14
13
11

Feels Like (°C)

6
5
5
4
4
4
3
4
5
7
9
10
12
13
12
13
13
13
13
13
13
12
11
11

Dew Point (°C)

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

Relative Humidity (%)

78
81
82
85
86
88
89
89
85
77
71
64
58
54
54
55
57
59
62
64
66
67
71
75

Pressure (mb)

1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016

Ozone (du)

404
401
401
400
398
395
394
391
389
388
388
386
385
385
384
383
383
384
384
384
383
383
383
383

Sunday 17

Waxing Crescent 5%

06:05

23:18

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 OK
22 OK

Sun - Rise: 05:38, Set: 21:31, Transit: 13:34. Moon - Rise: 06:05, Set: 23:18. Civil Dark: 22:14 - 04:55. Nautical Dark: 23:13 - 03:54. Astro Dark: 01:02 - 01:55

Total Clouds (% Sky Obscured)

55
67
75
76
79
78
80
86
90
95
97
100
100
100
100
93
85
77
66
56
50
50
45
38

Low Clouds (% Sky Obscured)

3
6
7
30
44
55
59
64
68
70
69
66
64
62
59
57
54
50
35
19
3
2
1
0

Medium Clouds (% Sky Obscured)

23
33
39
45
47
48
44
48
48
59
67
78
86
91
100
82
63
45
30
16
2
1
1
0

High Clouds (% Sky Obscured)

1
1
2
35
67
78
76
52
29
20
15
15
15
15
18
14
6
0
1
3
4
7
9
11

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
7
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
2
0
9
12
10
18
25
33
26
26
32
42
50
57
54
48
35
27
17
2
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
9
8
9
10
11
11
11
12
13
14
15
16
16
17
16
15
15
13
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
77
76
76
80
87
93
90
87
84
87
90
93
83
75
68
61
56
51
56
62
70
72
77

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1021
1021

Ozone (du)

384
386
389
392
392
392
391
393
394
395
399
403
407
408
408
409
404
398
393
390
388
385
383
381

Monday 18

Waxing Crescent 11%

07:10

00:34

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

Sun - Rise: 05:37, Set: 21:32, Transit: 13:34. Moon - Rise: 07:10, Set: 00:34. Civil Dark: 22:16 - 04:53. Nautical Dark: 23:15 - 03:51. Astro Dark: 01:14 - N/A

Total Clouds (% Sky Obscured)

59
77
100
93
86
80
80
79
81
83
86
88
91
95
98
97
96
95
95
96
96

Low Clouds (% Sky Obscured)

0
0
1
1
1
1
1
0
0
0
0
0
6
12
18
25
33
40
38
36
35

Medium Clouds (% Sky Obscured)

6
14
22
33
38
43
48
48
50
60
71
83
83
84
84
75
66
57
66
73
82

High Clouds (% Sky Obscured)

43
72
100
74
51
22
18
19
15
35
60
80
83
89
92
95
96
95
95
96
96

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
6
8
9

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

10
9
9
9
8
8
8
9
10
11
13
14
16
17
18
18
19
19
20
19
18

Feels Like (°C)

11
10
10
9
6
6
6
6
6
5
10
10
10
11
11
12
17
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

82
84
87
88
90
90
91
88
85
81
76
70
65
61
58
54
54
54
53
58
64

Pressure (mb)

1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021

Ozone (du)

379
377
374
372
370
369
367
365
364
362
361
361
360
360
360
360
360
360
359
358
357

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

Generated: 12/05/26 23:10:35. Forecast: 12/05/26 to 18/05/26. Timezone: UTC+2.00