Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 93%

18:21

04:25

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 Good
22 Good
23 OK
00 Good
01 Bad
02 OK
03 Bad
04 Bad

Sun - Rise: 05:35, Set: 21:35, Transit: 13:35. Moon - Rise: 18:21, Set: 04:25. Civil Dark: 22:18 - 04:49. Nautical Dark: 23:21 - 03:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
94
89
92
85
85
77
85
99
99
98
89
58
59
51
55
8
0
8
3
52
14
43
100

Low Clouds (% Sky Obscured)

51
51
66
80
74
83
59
69
88
86
85
75
41
40
24
0
4
0
3
4
20
8
22
28

Medium Clouds (% Sky Obscured)

40
33
88
58
58
59
22
10
16
12
25
37
15
6
25
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

70
65
65
69
45
28
8
6
54
60
30
24
24
24
22
29
9
0
2
0
19
6
15
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

54
50
44
13
5
27
73
82
75
72
76
95
95
95
88
17
6
2
1
0
0
0
0
1

Precipitation Amount (mm)

0.3
0.3
0
0
0
0
0.5
0.5
0.4
0.3
0.2
1.2
1.9
1.2
0.8
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
14
15
16
17
18
19
19
19
20
19
19
18
18
17
15
15
14
14
14
13
13

Feels Like (°C)

12
11
12
12
13
16
16
17
18
18
18
19
19
19
19
20
19
16
16
16
15
14
15
14

Dew Point (°C)

13
12
13
12
13
13
13
13
13
13
13
13
12
13
14
14
14
13
13
13
13
12
12
12

Relative Humidity (%)

96
96
96
92
89
82
76
72
70
68
66
63
63
68
75
79
85
87
90
90
92
92
92
92

Pressure (mb)

1011
1011
1011
1011
1011
1012
1011
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1010
1010
1010
1010
1009
1009
1009

Ozone (du)

402
401
400
399
398
397
398
399
399
398
397
398
397
396
396
395
394
394
394
394
395
398
398
396

Tuesday 21

Waxing Gibbous 97%

19:37

04:38

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:33, Set: 21:36, Transit: 13:35. Moon - Rise: 19:37, Set: 04:38. Civil Dark: 22:20 - 04:48. Nautical Dark: 23:24 - 03:43. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
66
69
67
69
72
100
86
96
75
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
26
34
35
37
39
36
37
24
23
25
22
8
45
44
20
20
19
15
20
20
20
20
33

Medium Clouds (% Sky Obscured)

0
0
0
2
1
2
5
20
47
66
70
61
68
100
100
100
100
100
93
100
100
100
100
94

High Clouds (% Sky Obscured)

92
86
90
86
82
85
100
92
98
86
100
100
100
100
100
100
100
98
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
5
9
3
1
1
9
9
9
9
4
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
2
14
26
32
50
59
95
95
95
95
73
50
41
77
95
80
83
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.7
1.1
3.4
1.8
0
0
0
0.3
1
0.3
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
14
15
16
18
20
21
22
23
24
24
24
24
22
20
19
18
18
17
17
16
16
16

Feels Like (°C)

12
11
13
14
16
18
19
20
22
22
23
23
24
23
22
19
17
17
16
16
17
15
15
14

Dew Point (°C)

12
12
12
13
13
14
13
13
13
13
14
17
17
18
19
20
19
18
17
17
16
16
15
15

Relative Humidity (%)

92
93
92
87
82
74
66
60
56
54
53
67
67
71
87
96
98
98
96
96
98
98
98
98

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1004

Ozone (du)

393
391
388
386
386
386
386
385
385
386
384
381
380
378
373
375
377
378
380
379
378
378
376
376

Wednesday 22

Waxing Gibbous 100%

20:56

04:56

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:32, Set: 21:37, Transit: 13:35. Moon - Rise: 20:56, Set: 04:56. Civil Dark: 22:22 - 04:46. Nautical Dark: 23:26 - 03:41. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
99
100
88
89
97
96
100
97
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

47
50
62
71
63
75
83
89
75
71
50
64
74
52
61
69
67
65
60
55
55
60
60
61

Medium Clouds (% Sky Obscured)

78
60
90
95
98
92
98
86
71
49
65
70
88
86
100
74
59
46
35
42
58
63
68
76

High Clouds (% Sky Obscured)

100
100
100
90
83
100
100
100
85
95
83
78
70
75
100
75
71
71
100
100
96
97
98
100

ISS Passover

Visibility (miles)

3
0
0
3
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

71
70
67
67
27
39
54
46
16
17
22
23
29
8
5
2
2
1
1
1
6
5
6
7

Precipitation Amount (mm)

0
0
0.2
0.3
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
8
9
10
10
10
10
9
10
10
9
10
10
10
8
7
7
6
6
7
7
7
7

Chance of Frost

Temperature (°C)

15
15
15
15
16
16
17
18
18
19
19
20
20
19
18
17
16
15
14
14
14
14
14
13

Feels Like (°C)

16
15
14
14
14
14
15
15
15
17
17
18
18
17
16
16
15
13
13
13
12
13
13
12

Dew Point (°C)

15
15
15
15
15
14
14
14
14
14
14
15
15
15
15
14
14
14
13
13
13
13
13
12

Relative Humidity (%)

100
100
98
96
93
86
83
79
76
72
71
71
72
76
80
82
87
92
93
93
95
93
93
93

Pressure (mb)

1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1009
1009

Ozone (du)

375
376
379
383
383
383
383
380
379
378
380
380
380
380
380
380
383
384
381
378
372
367
364
362

Thursday 23

Full Moon 100%

22:16

04:56

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 OK
20 Good
21 OK
22 OK
23 OK
00 Bad
01 Bad
02 OK
03 OK
04 OK

Sun - Rise: 05:31, Set: 21:39, Transit: 13:35. Moon - Rise: 22:16, Set: 04:56. Civil Dark: 22:23 - 04:45. Nautical Dark: 23:28 - 03:39. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
98
96
93
76
53
14
8
9
19
25
55
50
35
35
35

Low Clouds (% Sky Obscured)

71
76
72
71
75
80
84
82
78
64
50
39
29
17
3
2
3
0
5
30
30
30
25
25

Medium Clouds (% Sky Obscured)

84
92
100
92
86
76
84
92
100
94
88
85
72
36
8
2
2
18
15
13
12
26
47
53

High Clouds (% Sky Obscured)

83
67
50
50
55
50
45
50
50
50
50
50
50
27
4
4
1
2
3
3
3
4
36
70

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

17
21
15
33
43
56
60
54
48
45
42
32
26
23
6
2
1
1
1
1
1
1
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
14
14
15
15
16
16
17
17
17
18
18
18
18
17
16
15
14
13
13
13
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
93
89
84
78
75
72
71
71
68
71
72
76
79
86
92
96
95
93
83
84
77
75

Pressure (mb)

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

Ozone (du)

361
359
358
357
356
355
353
352
353
353
355
356
358
362
363
362
361
360
361
361
362
363
364
364

Friday 24

Waning Gibbous 98%

23:33

05:23

05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 Bad
12 Bad
13 OK
14 Bad
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

Sun - Rise: 05:30, Set: 21:40, Transit: 13:35. Moon - Rise: 23:33, Set: 05:23. Civil Dark: 22:25 - 04:43. Nautical Dark: 23:31 - 03:37. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

30
30
25
26
37
42
47
55
45
50
52
82
72
66
99
99
99
100
98
97
97
89
80
70

Low Clouds (% Sky Obscured)

30
30
25
26
27
28
29
30
32
28
23
26
29
34
39
26
18
10
14
19
25
29
30
33

Medium Clouds (% Sky Obscured)

53
23
50
50
38
4
2
0
0
8
16
24
29
31
32
25
30
25
25
34
42
34
30
29

High Clouds (% Sky Obscured)

65
3
55
55
60
32
0
0
0
15
30
50
60
66
98
98
99
100
98
96
94
73
53
32

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 (%)

1
1
1
3
3
2
5
3
4
6
11
12
26
35
40
9
7
2
3
4
4
7
6
4

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

Chance of Frost

Temperature (°C)

12
13
13
14
15
17
18
18
19
20
20
20
20
19
18
16
18
17
16
15
15
15
14
14

Feels Like (°C)

10
11
11
12
13
14
16
16
17
19
19
19
17
17
16
14
17
16
16
15
15
14
12
12

Dew Point (°C)

8
9
10
10
10
12
13
13
13
13
13
13
13
13
13
13
15
15
15
14
14
14
13
13

Relative Humidity (%)

73
76
79
76
73
72
72
70
67
65
64
65
67
70
73
81
85
89
93
93
93
93
93
93

Pressure (mb)

1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

365
366
368
370
371
372
373
373
372
369
366
366
366
365
365
364
364
364
364
364
365
365
364
363

Saturday 25

Waning Gibbous 93%

00:37

06:02

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:29, Set: 21:41, Transit: 13:35. Moon - Rise: 00:37, Set: 06:02. Civil Dark: 22:27 - 04:42. Nautical Dark: 23:33 - 03:35. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

80
90
100
100
100
99
100
100
100
100
100
100
100
100
100
97
95
92
90
88
86
85
86
90

Low Clouds (% Sky Obscured)

22
11
0
22
44
63
63
66
67
72
76
81
69
57
54
67
75
82
75
68
63
60
59
59

Medium Clouds (% Sky Obscured)

48
63
76
77
80
85
85
85
85
73
64
57
57
63
65
56
47
38
36
30
26
24
22
22

High Clouds (% Sky Obscured)

54
72
95
87
85
79
81
87
93
86
80
73
80
87
100
82
63
45
49
52
56
58
58
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

13
19
18
45
60
71
65
59
52
61
65
66
57
56
61
50
36
12
20
20
9
18
16
4

Precipitation Amount (mm)

0
0
0
0
0.4
0.6
0.4
0.3
0.2
0.3
0.3
0.3
0
0.2
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
14
14
15
15
16
16
16
16
17
18
19
18
17
16
16
15
14
14
13
12
12
12

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
11
10
10
11
12
13
13
13
13
13
14
14
14
13
12
12
11
11
11
11

Relative Humidity (%)

93
90
87
84
78
72
67
72
75
82
78
73
69
74
81
87
87
86
84
86
89
90
92
92

Pressure (mb)

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

Ozone (du)

363
362
360
359
360
361
361
362
362
363
362
361
361
362
363
364
364
365
365
365
366
366
365
364

Sunday 26

Waning Gibbous 86%

01:26

06:58

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
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:28, Set: 21:43, Transit: 13:35. Moon - Rise: 01:26, Set: 06:58. Civil Dark: 22:28 - 04:41. Nautical Dark: 23:35 - 03:33. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

89
89
87
89
91
91
89
88
86
88
90
92
88
84
81
70
57
44
39
35
35

Low Clouds (% Sky Obscured)

61
62
63
62
60
61
59
55
47
50
54
55
42
29
18
12
6
0
0
0
0

Medium Clouds (% Sky Obscured)

30
39
51
46
43
39
30
22
12
22
33
43
34
23
13
18
24
30
30
31
31

High Clouds (% Sky Obscured)

64
57
46
33
20
6
6
5
5
7
9
6
30
49
68
55
44
32
26
19
18

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

6
6
3
6
6
3
16
22
26
47
61
72
76
80
85
78
67
43
47
52
53

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.5
0.6
0.5
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
13
13
14
15
16
17
18
19
20
20
20
20
20
20
19
18
17
16
15
15

Feels Like (°C)

10
10
10
9
12
13
13
13
14
14
20
19
19
19
19
19
20
20
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
92
87
83
79
78
76
75
75
75
75
77
80
82
86
90
93
95
96

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1015

Ozone (du)

364
365
367
368
368
368
368
366
364
362
362
362
361
362
363
364
362
361
359
357
355

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

Generated: 20/05/24 05:20:34. Forecast: 20/05/24 to 26/05/24. Timezone: UTC+2.00