Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waning Crescent 17%

05:10

16:25

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:20, Set: 20:51, Transit: 13:36. Moon - Rise: 05:10, Set: 16:25. Civil Dark: 21:28 - 05:43. Nautical Dark: 22:16 - 04:55. Astro Dark: 23:13 - 03:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
96
99
100
94
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
55
51
78
85
82
86
86
90
91
94
96
90
99
99
91
100
89
92
90
90
89
90
89

Medium Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
100
100
99
93
44
95
96
94
98
99
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
11
5
95
100
100
100
100
16
20
20
20
20
20
20
15
10
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
8
4
6
7
6
5
7
9
9
9
9
9
9
9
8
8
7
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

70
60
69
84
78
73
81
92
95
95
82
69
58
49
41
38
50
80
92
93
87
90
95
95

Precipitation Amount (mm)

0.7
0.5
0.5
0.7
0.5
0.4
0.6
0.6
1
0.7
0.3
0.2
0
0
0
0
0
0.6
0.6
0.6
0.4
0.5
0.8
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
90
95
96
96
96
98
96
98
98
98
96
93
95
96
93
93
87
81
80
86
92
91

Pressure (mb)

1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

363
362
365
363
360
358
362
365
367
368
368
367
366
366
365
364
361
361
363
363
363
362
363
364

Thursday 24

Waning Crescent 9%

05:21

17:54

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 OK
14 OK
15 Good
16 Good
17 Good
18 Good
19 Good

Sun - Rise: 06:18, Set: 20:52, Transit: 13:36. Moon - Rise: 05:21, Set: 17:54. Civil Dark: 21:30 - 05:40. Nautical Dark: 22:18 - 04:52. Astro Dark: 23:16 - 03:53

Total Clouds (% Sky Obscured)

100
100
100
94
95
87
93
95
96
93
96
96
91
80
30
45
42
34
26
17
3
0
0
0

Low Clouds (% Sky Obscured)

84
88
88
86
91
78
77
77
81
83
84
81
76
58
30
45
42
34
26
17
3
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
85
84
45
50
46
46
47
56
55
36
23
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
45
48
19
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

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

Precipitation Probability (%)

95
95
78
51
22
13
1
1
0
1
1
0
2
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.9
0.8
0.5
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
9
9
8
8
8
7
7
8
8
8
8
7
7
7
7
8
8
8
8
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
7
7
8
7
7
7
6
6
6
6
6
6
7
11
12
13
13
14
13
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
91
93
91
91
91
90
87
85
85
85
82
74
63
58
55
51
50
52
52
58
66

Pressure (mb)

1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

366
365
364
364
364
360
358
353
351
349
348
347
349
354
353
350
349
349
349
349
348
347
345
344

Friday 25

Waning Crescent 3%

05:33

19:26

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

Sun - Rise: 06:16, Set: 20:54, Transit: 13:36. Moon - Rise: 05:33, Set: 19:26. Civil Dark: 21:32 - 05:38. Nautical Dark: 22:20 - 04:49. Astro Dark: 23:19 - 03:50

Total Clouds (% Sky Obscured)

0
0
0
20
31
35
37
39
42
46
43
21
9
11
13
77
81
84
69
75
82
77
82
82

Low Clouds (% Sky Obscured)

0
0
0
20
31
35
37
38
36
36
32
14
0
0
0
44
40
42
42
47
49
37
25
13

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
24
30
29
30
43
42
41
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
11
14
13
9
11
13
43
35
27
1
8
16
9
43
56

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

Chance of Frost

Temperature (°C)

11
10
9
8
8
7
7
7
6
6
6
6
8
10
12
14
16
16
17
17
17
17
16
16

Feels Like (°C)

10
9
8
8
7
7
6
6
6
4
4
4
6
9
12
13
13
14
15
16
16
15
14
14

Dew Point (°C)

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

Relative Humidity (%)

75
80
84
87
87
87
87
87
87
88
90
90
81
73
67
62
55
51
47
45
45
49
53
62

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

344
343
342
341
341
340
339
338
338
338
338
338
339
338
338
338
338
338
338
339
339
339
338
338

Saturday 26

Waning Crescent 0%

05:47

No Set

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 OK
09 OK
10 Good
11 OK
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:14, Set: 20:56, Transit: 13:36. Moon - Rise: 05:47, Set: No Set. Civil Dark: 21:34 - 05:36. Nautical Dark: 22:23 - 04:47. Astro Dark: 23:22 - 03:46

Total Clouds (% Sky Obscured)

82
75
79
82
82
77
75
74
73
71
71
61
46
27
10
22
33
46
74
70
61
58
67
90

Low Clouds (% Sky Obscured)

21
28
33
21
10
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
3
8
23

Medium Clouds (% Sky Obscured)

37
37
38
34
30
25
26
29
29
29
32
32
25
17
5
14
23
32
38
43
48
49
51
47

High Clouds (% Sky Obscured)

51
29
34
45
45
37
16
4
3
0
0
0
0
0
0
0
0
0
6
6
5
35
67
90

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
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
6
6
6
5
5
5
5
5
5
5
6
6
6
6
6
6
6
5
5
5
4

Chance of Frost

Temperature (°C)

15
13
12
11
11
10
10
9
9
8
8
8
10
12
13
15
16
17
18
18
18
18
18
17

Feels Like (°C)

13
12
11
9
8
7
8
7
7
7
7
7
9
11
12
14
15
16
17
16
17
18
17
17

Dew Point (°C)

10
10
8
6
6
6
7
7
7
7
6
6
5
5
4
4
4
4
5
5
5
5
6
7

Relative Humidity (%)

71
79
76
70
71
77
81
88
90
90
87
84
74
62
53
46
43
42
42
42
40
42
44
51

Pressure (mb)

1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024

Ozone (du)

339
340
341
341
341
341
341
341
341
341
342
342
342
343
345
346
347
349
349
350
350
350
351
352

Sunday 27

New Moon 1%

06:05

21:03

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

Sun - Rise: 06:12, Set: 20:58, Transit: 13:36. Moon - Rise: 06:05, Set: 21:03. Civil Dark: 21:36 - 05:34. Nautical Dark: 22:25 - 04:44. Astro Dark: 23:26 - 03:42

Total Clouds (% Sky Obscured)

87
75
56
38
37
20
15
15
20
18
18
16
12
4
4
5
10
10
11
15
23
21
14
12

Low Clouds (% Sky Obscured)

30
25
19
8
0
0
0
0
3
11
17
16
4
3
3
5
10
10
11
15
23
21
14
12

Medium Clouds (% Sky Obscured)

37
30
19
13
7
0
15
15
20
18
2
3
4
3
1
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

67
33
0
0
0
0
0
0
0
0
0
0
3
4
4
5
10
10
11
7
1
12
14
12

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
2
3
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
13
12
11
10
9
8
8
8
8
7
8
9
10
11
12
12
14
14
16
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

63
63
65
67
71
76
76
72
71
67
70
69
65
60
53
49
48
49
49
50
50
51
57
63

Pressure (mb)

1024
1024
1025
1025
1025
1025
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023

Ozone (du)

353
353
357
362
364
365
367
369
370
371
372
371
370
369
368
367
365
363
361
359
357
355
353
351

Monday 28

Waxing Crescent 5%

06:30

22:41

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

Sun - Rise: 06:10, Set: 20:59, Transit: 13:36. Moon - Rise: 06:30, Set: 22:41. Civil Dark: 21:38 - 05:32. Nautical Dark: 22:27 - 04:41. Astro Dark: 23:29 - 03:39

Total Clouds (% Sky Obscured)

15
21
27
26
26
26
41
54
53
51
53
54
37
24
9
9
7
6
6
8
7
6
5
9

Low Clouds (% Sky Obscured)

11
7
4
3
3
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
10
24
35
21
12
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

15
21
27
26
26
26
41
54
53
51
53
54
37
24
4
3
2
1
2
1
1
1
1
2

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 (%)

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

Chance of Frost

Temperature (°C)

14
13
12
11
10
10
10
9
9
8
9
9
10
12
14
16
17
19
20
20
20
21
20
19

Feels Like (°C)

16
12
11
11
11
10
9
8
8
7
8
7
7
11
11
12
13
14
14
19
19
18
18
19

Dew Point (°C)

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

Relative Humidity (%)

70
75
81
90
87
85
84
84
82
81
78
73
69
62
53
47
44
42
39
40
40
41
48
55

Pressure (mb)

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

Ozone (du)

349
348
347
346
346
345
345
344
343
342
341
340
338
338
338
337
338
338
338
338
338
338
338
338

Tuesday 29

Waxing Crescent 11%

07:07

00:16

20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good

Sun - Rise: 06:08, Set: 21:01, Transit: 13:35. Moon - Rise: 07:07, Set: 00:16. Civil Dark: 21:40 - 05:30. Nautical Dark: 22:30 - 04:39. Astro Dark: 23:33 - 03:35

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
7
7
6
6
5
6
5
5
6
7
7
8
9
11
11
11

Chance of Frost

Temperature (°C)

18
16
15
13
12
12
11
10
10
9
10
11
12
14
16
18
19
20

Feels Like (°C)

19
15
15
15
14
14
14
9
9
9
9
9
8
12
13
13
14
16

Dew Point (°C)

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

Relative Humidity (%)

64
69
73
77
79
80
83
85
88
90
85
83
80
69
61
52
49
46

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

337
337
337
337
337
337
337
338
338
339
339
340
340
341
341
342
343
344

Forecast for Ons Belang, Gemeente Soest, Netherlands (52.13,5.29)

Generated: 23/04/25 19:17:00. Forecast: 23/04/25 to 29/04/25. Timezone: UTC+2.00