Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waxing Crescent 31%

11:33

02:29

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

Sun - Rise: 05:35, Set: 21:39, Transit: 13:38. Moon - Rise: 11:33, Set: 02:29. Civil Dark: 22:24 - 04:50. Nautical Dark: 23:28 - 03:45. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
93
79
76
91
80
73
49
46
47
41
28
16
61
64
94
36
36
21
5
4
12
6
1

Low Clouds (% Sky Obscured)

50
5
0
0
36
46
34
30
34
38
33
21
13
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

15
22
28
17
17
23
25
6
0
0
1
0
0
0
4
8
12
9
5
4
2
6
0
0

High Clouds (% Sky Obscured)

16
13
18
9
91
22
14
20
20
22
20
19
7
61
57
89
23
28
15
1
0
1
5
1

ISS Passover

Visibility (miles)

7
4
5
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 (%)

15
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)

11
12
12
12
11
10
9
7
5
5
5
5
5
4
4
5
5
5
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

18
18
17
17
17
17
16
15
15
14
13
13
13
13
13
13
13
12
13
15
17
19
20
22

Feels Like (°C)

15
14
15
14
15
15
15
14
14
13
12
12
12
12
13
12
11
11
12
15
18
20
22
23

Dew Point (°C)

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

Relative Humidity (%)

68
70
66
64
63
64
66
74
80
84
84
84
86
86
86
86
84
83
80
73
68
63
60
56

Pressure (mb)

1028
1028
1028
1028
1028
1028
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029

Ozone (du)

336
336
336
335
334
333
333
332
331
333
333
333
331
332
332
334
335
338
341
343
346
346
345
345

Friday 22

Waxing Crescent 42%

12:57

02:45

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

Sun - Rise: 05:33, Set: 21:41, Transit: 13:38. Moon - Rise: 12:57, Set: 02:45. Civil Dark: 22:26 - 04:48. Nautical Dark: 23:30 - 03:43. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

2
7
20
22
26
16
31
20
7
2
1
1
2
1
11
21
44
97
100
100
99
100
100
20

Low Clouds (% Sky Obscured)

0
6
20
22
26
16
31
20
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
5
1
0
1
32
20

High Clouds (% Sky Obscured)

2
3
4
2
1
1
2
0
3
0
0
0
1
1
11
21
44
97
100
100
99
100
100
11

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
7
4

Fog (%)

0
0
0
0
0
0
0
0
45
50
10
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)

3
2
1
3
3
1
0
0
0
1
3
5
5
6
6
6
7
7
6
5
6
6
7
6

Chance of Frost

Temperature (°C)

23
23
24
24
24
23
23
21
19
18
17
17
16
16
15
15
15
15
16
18
19
21
21
22

Feels Like (°C)

24
26
26
26
25
26
26
25
22
20
19
18
17
16
16
15
15
15
16
17
18
20
21
21

Dew Point (°C)

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

Relative Humidity (%)

53
52
51
54
55
56
59
68
73
78
77
77
77
78
78
80
82
83
80
74
68
63
62
62

Pressure (mb)

1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1027
1027
1028
1028
1028

Ozone (du)

345
343
343
342
340
338
337
334
332
332
333
333
333
333
332
330
330
330
330
330
331
333
340
346

Saturday 23

First Quarter 53%

12:57

02:58

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

Sun - Rise: 05:32, Set: 21:42, Transit: 13:38. Moon - Rise: 12:57, Set: 02:58. Civil Dark: 22:27 - 04:47. Nautical Dark: 23:33 - 03:41. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

18
18
28
38
32
13
8
0
9
0
1
2
1
42
36
15
28
47
46
55
53
47
41
31

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
20
6
0
17
30
34
37
43
46
34
21

Medium Clouds (% Sky Obscured)

18
18
9
4
1
6
7
0
7
0
0
0
0
16
17
7
11
11
7
4
3
0
0
2

High Clouds (% Sky Obscured)

8
8
17
34
31
6
0
0
0
0
1
2
1
3
1
3
0
12
29
55
53
33
41
31

ISS Passover

Visibility (miles)

4
7
1
1
1
6
6
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
47
48
48
48
53
53
55
54
38
14
2
1
1
1
1
1
1
1
1
1
1
1

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
2
1
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)

4
6
10
9
8
8
6
7
5
5
5
6
5
5
5
5
5
5
5
5
5
5
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

23
24
22
23
23
22
22
21
20
18
17
17
15
15
16
16
15
15
16
16
18
20
21
23

Dew Point (°C)

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

Relative Humidity (%)

60
51
57
62
64
67
69
76
83
86
87
89
89
90
92
90
92
90
86
79
71
65
60
55

Pressure (mb)

1028
1027
1028
1028
1027
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030

Ozone (du)

345
347
346
342
341
337
332
328
325
324
325
326
328
327
326
325
324
322
321
321
321
320
318
318

Sunday 24

Waxing Gibbous 64%

14:17

03:08

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

Sun - Rise: 05:31, Set: 21:44, Transit: 13:38. Moon - Rise: 14:17, Set: 03:08. Civil Dark: 22:29 - 04:46. Nautical Dark: 23:35 - 03:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

23
16
17
15
20
22
20
18
12
6
12
16
10
5
8
11
14
6
1
1
3
2
2
1

Low Clouds (% Sky Obscured)

9
6
3
0
0
0
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
0
0
0
0
0
0

High Clouds (% Sky Obscured)

23
16
17
15
20
22
18
18
12
3
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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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)

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

Chance of Frost

Temperature (°C)

24
26
25
25
24
23
22
21
19
18
17
16
16
15
15
14
14
14
15
17
19
21
23
24

Feels Like (°C)

24
25
24
23
22
21
21
21
19
18
16
15
15
14
14
14
14
14
16
19
21
22
25
25

Dew Point (°C)

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

Relative Humidity (%)

52
51
50
49
50
50
56
65
73
76
78
81
83
84
86
89
90
92
86
78
70
63
57
52

Pressure (mb)

1030
1030
1030
1030
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1029
1029
1030
1030
1030
1030
1030
1030

Ozone (du)

319
319
320
319
317
316
314
313
312
312
312
313
312
312
313
313
313
313
313
312
312
312
313
313

Monday 25

Waxing Gibbous 74%

15:33

03:18

13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
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

Sun - Rise: 05:30, Set: 21:45, Transit: 13:38. Moon - Rise: 15:33, Set: 03:18. Civil Dark: 22:31 - 04:44. Nautical Dark: 23:38 - 03:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
1
1
2
7
12
5
10
12
8
3
1
1
2
0
0
1
2
2
2
1
0
0
2

Low 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
0
0

Medium 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
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
3
1
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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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)

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

Chance of Frost

Temperature (°C)

24
25
24
24
24
23
22
21
19
18
17
17
16
16
16
15
15
16
17
17
19
21
22
23

Feels Like (°C)

26
25
25
24
24
24
22
22
20
19
18
19
18
18
18
17
17
17
17
16
20
21
21
23

Dew Point (°C)

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

Relative Humidity (%)

51
51
51
52
55
56
60
69
75
77
78
78
77
79
79
79
79
78
75
73
71
69
68
64

Pressure (mb)

1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1029
1029
1029
1030
1030
1030
1030
1031
1031
1031

Ozone (du)

313
314
314
314
315
315
315
315
314
314
313
312
312
312
313
313
314
315
315
316
316
317
317
318

Tuesday 26

Waxing Gibbous 82%

16:48

03:29

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

Sun - Rise: 05:29, Set: 21:46, Transit: 13:38. Moon - Rise: 16:48, Set: 03:29. Civil Dark: 22:32 - 04:43. Nautical Dark: 23:40 - 03:34. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

4
5
4
2
11
20
29
21
12
4
12
21
29
35
41
47
37
28
19
18
16
16
12
9

Low 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
0
0

Medium 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
0
0

High Clouds (% Sky Obscured)

0
1
2
2
10
16
25
15
9
4
11
19
28
34
41
47
37
28
19
16
13
11
8
4

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
25
24
23
22
22
21
21
15
14
14
14
13
12
10
11
11
10
10
9
13
13
13
13

Dew Point (°C)

15
14
14
14
14
14
13
13
12
11
11
10
10
10
10
10
10
10
10
9
8
7
6
6

Relative Humidity (%)

58
55
55
55
55
59
64
69
73
78
83
84
87
87
87
90
90
83
78
71
62
55
49
47

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

319
320
321
322
323
322
322
322
324
326
329
329
328
328
328
327
327
326
326
325
324
324
323
323

Wednesday 27

Waxing Gibbous 89%

18:02

03:41

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

Sun - Rise: 05:28, Set: 21:48, Transit: 13:38. Moon - Rise: 18:02, Set: 03:41. Civil Dark: 22:34 - 04:42. Nautical Dark: 23:42 - 03:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

7
8
10
11
21
32
42
44
38
36
35
30
30
25
25
29
40
52
63

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
3
5
11
17
23
15
8
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
2
3
4
8
12
23
37
38
36
35
30
30
25
25
18
18
18
46

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
16
16
16
16
17
16
11
11
11
10
9
9
8
8
8
8
8

Dew Point (°C)

6
6
6
6
6
7
8
8
8
8
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

46
45
45
45
45
50
55
59
64
71
77
78
78
80
80
80
81
77
72

Pressure (mb)

1031
1030
1030
1029
1029
1029
1028
1028
1028
1028
1029
1029
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

323
322
323
324
325
326
326
327
328
328
329
330
331
333
334
335
336
336
337

Forecast for Overveen, Gemeente Bloemendaal, Netherlands (52.39,4.61)

Generated: 21/05/26 13:41:57. Forecast: 21/05/26 to 27/05/26. Timezone: UTC+2.00