Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waning Gibbous 67%

00:21

12:36

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: 05:30, Set: 22:04, Transit: 13:46. Moon - Rise: 00:21, Set: 12:36. Civil Dark: 22:52 - 04:42. Nautical Dark: 00:06 - 03:28. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
98
89
97
99
100
100
100
100
100
97
95
97
93
98
96
71
82
93
96
96
66
71
91

Low Clouds (% Sky Obscured)

58
55
41
39
38
22
48
31
35
34
41
55
56
73
72
55
45
37
56
67
59
53
62
46

Medium Clouds (% Sky Obscured)

28
27
22
19
26
53
95
70
96
99
83
84
83
76
82
55
34
61
86
81
72
28
24
37

High Clouds (% Sky Obscured)

8
29
89
97
99
100
100
100
100
100
82
71
55
59
74
48
32
72
76
87
28
20
34
84

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
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
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)

15
14
14
13
10
8
7
4
3
3
4
5
5
6
6
6
6
9
13
13
14
14
14
14

Chance of Frost

Temperature (°C)

20
20
21
20
20
20
19
18
18
17
17
17
17
18
17
18
19
20
21
21
22
22
22
23

Feels Like (°C)

18
18
19
18
18
18
18
18
18
17
17
17
17
17
17
18
19
20
18
19
19
19
21
21

Dew Point (°C)

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

Relative Humidity (%)

69
62
63
66
65
68
72
78
85
85
83
85
85
83
90
93
88
68
63
60
57
53
53
49

Pressure (mb)

1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1020
1019
1019
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

347
347
344
341
342
341
339
339
338
340
344
344
341
338
338
339
339
340
338
338
337
338
337
335

Monday 6

Waning Gibbous 57%

00:31

13:55

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: 05:31, Set: 22:03, Transit: 13:47. Moon - Rise: 00:31, Set: 13:55. Civil Dark: 22:51 - 04:43. Nautical Dark: 00:05 - 03:30. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
99
95
97
96
100
100
100
100
99
100
98
100
100
100
100
100
100
100
98
97
87
66
100

Low Clouds (% Sky Obscured)

49
47
39
35
45
52
45
48
36
25
19
21
33
35
38
54
51
44
32
34
37
48
49
45

Medium Clouds (% Sky Obscured)

19
36
35
42
60
75
100
89
90
57
58
60
87
56
98
24
29
67
43
4
15
14
7
5

High Clouds (% Sky Obscured)

99
94
74
88
83
100
100
100
100
97
99
89
100
100
100
100
100
100
100
97
93
71
42
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
9
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)

13
12
11
10
8
7
5
4
4
4
4
4
4
4
4
5
5
8
10
11
13
14
14
14

Chance of Frost

Temperature (°C)

23
23
23
23
23
22
21
20
19
19
19
18
18
18
17
17
18
19
21
21
22
22
23
23

Feels Like (°C)

21
21
21
21
21
21
21
20
19
19
18
17
17
17
17
17
18
18
18
19
19
19
19
20

Dew Point (°C)

11
11
11
11
12
13
14
14
14
14
13
13
13
13
13
14
13
12
12
11
9
9
10
10

Relative Humidity (%)

48
48
46
47
51
56
63
68
71
69
71
71
72
72
77
78
72
62
56
51
44
43
45
42

Pressure (mb)

1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

334
333
332
332
332
333
331
330
331
332
331
330
328
326
324
323
322
321
320
319
319
318
318
318

Tuesday 7

Third Quarter 45%

00:43

No Set

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

Sun - Rise: 05:31, Set: 22:03, Transit: 13:47. Moon - Rise: 00:43, Set: No Set. Civil Dark: 22:50 - 04:44. Nautical Dark: 00:03 - 03:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
90
88
79
85
100
100
86
59
56
53
52
42
42
40
36
36
36
34
28
28
28
33
26

Low Clouds (% Sky Obscured)

40
51
48
47
58
67
71
78
59
44
50
52
42
42
40
36
36
36
34
28
28
28
33
26

Medium Clouds (% Sky Obscured)

16
21
28
42
35
24
30
22
23
21
19
15
7
2
8
14
21
18
15
11
8
3
2
2

High Clouds (% Sky Obscured)

82
69
57
63
76
100
98
79
43
38
38
24
12
4
4
6
4
0
1
0
0
0
0
1

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)

13
13
12
11
10
8
6
6
6
5
5
5
4
3
3
3
3
4
5
6
7
8
9
9

Chance of Frost

Temperature (°C)

23
23
24
23
23
22
21
20
20
19
19
19
18
18
18
18
19
20
21
23
24
24
24
25

Feels Like (°C)

20
21
21
21
21
22
21
20
20
21
20
21
20
21
20
20
21
23
23
23
24
24
25
25

Dew Point (°C)

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

Relative Humidity (%)

41
41
41
42
46
48
57
65
67
67
68
71
78
79
78
79
76
66
58
51
47
46
47
47

Pressure (mb)

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

Ozone (du)

318
317
317
317
318
318
319
321
321
321
322
321
320
319
319
320
320
322
322
322
320
320
320
320

Wednesday 8

Waning Crescent 34%

00:58

15:18

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 OK
11 OK
12 OK
13 Bad
14 Bad

Sun - Rise: 05:33, Set: 22:02, Transit: 13:47. Moon - Rise: 00:58, Set: 15:18. Civil Dark: 22:49 - 04:46. Nautical Dark: 00:02 - 03:34. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

15
6
5
6
6
5
4
0
0
0
0
0
0
0
0
0
0
10
17
24
35
47
58
53

Low Clouds (% Sky Obscured)

15
5
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
12
7

Medium Clouds (% Sky Obscured)

2
2
3
5
5
4
3
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
0
0
0
0
0
0
0
0
0
8
10
12
18
23
32
30

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

Chance of Frost

Temperature (°C)

25
25
25
25
24
23
22
20
19
18
18
17
17
17
17
17
18
20
22
24
26
28
29
30

Feels Like (°C)

25
25
25
25
25
24
23
21
20
20
19
19
18
18
18
18
19
21
22
25
27
29
30
31

Dew Point (°C)

13
13
13
13
12
12
12
12
12
12
10
10
9
9
9
9
9
9
8
8
9
9
9
10

Relative Humidity (%)

47
48
48
47
47
49
54
61
64
64
61
60
59
60
60
61
57
48
41
37
34
31
30
29

Pressure (mb)

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

Ozone (du)

320
320
320
320
320
320
321
323
323
322
321
320
320
321
322
321
322
322
323
324
326
329
331
333

Thursday 9

Waning Crescent 23%

01:18

16:46

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

Sun - Rise: 05:34, Set: 22:01, Transit: 13:47. Moon - Rise: 01:18, Set: 16:46. Civil Dark: 22:48 - 04:47. Nautical Dark: 00:00 - 03:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

48
39
50
58
62
50
48
54
48
39
24
25
27
28
21
15
8
11
14
17
13
10
6
16

Low Clouds (% Sky Obscured)

4
0
0
0
0
1
1
2
6
10
14
13
15
18
14
7
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

0
0
20
43
60
10
19
32
23
12
0
0
0
0
1
1
2
2
1
1
1
1
1
0

High Clouds (% Sky Obscured)

32
30
35
40
48
35
36
37
22
14
7
12
15
18
17
15
8
11
14
17
13
10
6
13

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
1
1
3
3
2
5
4
0
1
1
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
6
7
8
8
8
8
8
7
7
7
7
7
6
7
8
9
9
9
9
9
10
10

Chance of Frost

Temperature (°C)

30
31
31
30
29
28
27
25
23
22
21
21
20
20
19
20
20
21
23
25
27
28
30
31

Feels Like (°C)

31
32
31
30
29
28
29
28
27
26
25
24
20
20
21
20
19
18
23
23
23
24
24
25

Dew Point (°C)

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

Relative Humidity (%)

28
26
25
26
29
35
41
48
57
63
69
74
77
80
82
77
70
66
57
50
44
38
32
29

Pressure (mb)

1017
1016
1016
1016
1016
1016
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

334
334
335
336
337
338
338
339
340
340
341
341
340
339
339
339
340
341
341
342
343
343
344
344

Friday 10

Waning Crescent 14%

01:47

18:17

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
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
14 OK

Sun - Rise: 05:35, Set: 22:00, Transit: 13:47. Moon - Rise: 01:47, Set: 18:17. Civil Dark: 22:47 - 04:48. Nautical Dark: 23:58 - 03:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

26
36
40
42
45
45
45
43
29
16
2
1
1
0
0
0
0
1
2
2
2
1
0
0

Low Clouds (% Sky Obscured)

3
4
3
1
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)

21
27
28
28
34
37
37
34
17
10
1
1
0
0
0
0
0
0
1
1
1
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

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

Chance of Frost

Temperature (°C)

31
32
32
31
30
29
27
25
23
22
21
19
19
18
17
18
19
19
21
24
26
28
29
31

Feels Like (°C)

32
31
30
31
31
31
26
27
26
25
24
24
18
18
19
18
18
17
21
21
23
23
25
25

Dew Point (°C)

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

Relative Humidity (%)

27
26
25
29
33
37
44
53
64
68
70
75
76
77
78
77
76
75
64
55
48
41
35
30

Pressure (mb)

1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019

Ozone (du)

344
344
344
344
345
345
345
345
344
344
343
343
342
341
340
338
337
336
335
334
334
333
333
333

Saturday 11

Waning Crescent 6%

02:31

19:45

15 OK
16 OK
17 OK
18 OK
19 OK
20 Good
21 Good
22 Good
23 OK
00 OK
01 OK

Sun - Rise: 05:36, Set: 22:00, Transit: 13:47. Moon - Rise: 02:31, Set: 19:45. Civil Dark: 22:46 - 04:49. Nautical Dark: 23:56 - 03:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
1
1
3
5
10
17
23
35
39

Low Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
1
1
1
2
3
4
6
11
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

10
10
10
10
10
10
10
10
10
9
9

Chance of Frost

Temperature (°C)

31
32
32
31
31
30
28
26
24
23
22

Feels Like (°C)

32
32
30
31
31
31
28
28
27
26
25

Dew Point (°C)

12
12
13
13
13
14
15
16
17
16
16

Relative Humidity (%)

30
30
30
32
34
37
45
53
63
66
69

Pressure (mb)

1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1022

Ozone (du)

332
330
329
329
328
328
327
327
326
327
327

Forecast for Leiden, Gemeente Leiden, Netherlands (52.16,4.50)

Generated: 05/07/26 15:47:51. Forecast: 05/07/26 to 11/07/26. Timezone: UTC+2.00