Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waxing Crescent 27%

10:38

00:49

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

Sun - Rise: 05:20, Set: 22:06, Transit: 13:43. Moon - Rise: 10:38, Set: 00:49. Civil Dark: 22:55 - 04:31. Nautical Dark: 00:15 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
99
96
100
79
100
32
41
34
87
100
1
32
23
9
0
6
6
18
98
100
98
96

Low Clouds (% Sky Obscured)

1
0
5
14
41
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
95
99
90
85
25
27
16
24
16
18
19
0
13
8
3
0
3
2
3
3
12
18
29

High Clouds (% Sky Obscured)

100
100
99
96
100
53
100
16
26
20
59
76
1
2
1
5
0
6
6
14
91
97
87
88

ISS Passover

Visibility (miles)

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

Fog (%)

6
2
12
7
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
83
95
68
30
25
13
21
53
3
0
0
0
0
0
0
0
0
1
8
24
0

Precipitation Amount (mm)

0
0
0
0.6
0.9
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
7
5
5
5
7
5
6
5
5
4
3
5
4
4
4
6
8
9
10
10
10
10

Chance of Frost

Temperature (°C)

28
27
25
24
21
20
20
20
20
20
20
20
21
22
24
26
28
30
32
33
33
33
32
29

Feels Like (°C)

28
27
25
24
21
21
20
20
20
20
20
23
24
25
28
30
30
32
33
34
35
34
31
30

Dew Point (°C)

19
19
19
20
19
19
19
19
19
19
19
19
20
20
21
22
22
22
22
22
21
20
19
15

Relative Humidity (%)

57
63
67
80
89
91
92
92
93
93
95
96
95
91
85
76
66
60
56
51
47
46
46
43

Pressure (mb)

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

Ozone (du)

325
326
328
327
327
329
330
330
329
331
332
331
332
331
330
330
330
330
331
331
331
330
330
331

Friday 19

Waxing Crescent 38%

12:02

01:04

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 Good
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 OK

Sun - Rise: 05:20, Set: 22:06, Transit: 13:43. Moon - Rise: 12:02, Set: 01:04. Civil Dark: 22:55 - 04:31. Nautical Dark: 00:15 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
92
85
76
99
62
81
74
98
100
89
93
51
52
57
14
28
29
74
70
68
18
10
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
26
42
10
0
18
29
9
4
0
0
0
0

Medium Clouds (% Sky Obscured)

5
1
2
40
34
62
71
66
74
66
10
24
23
14
0
10
11
0
36
45
40
0
0
30

High Clouds (% Sky Obscured)

82
76
72
73
98
35
62
47
91
100
89
93
9
14
56
0
5
0
13
51
11
7
1
5

ISS Passover

Visibility (miles)

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

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
3
3
31
95
95
40
27
43
42
3
2
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
1.6
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
8
6
5
5
18
8
3
7
4
6
6
6
8
8
8
8
8
8
10
9
8
8
9

Chance of Frost

Temperature (°C)

29
28
27
26
25
23
22
22
20
20
19
19
19
20
22
23
24
25
26
26
26
25
25
24

Feels Like (°C)

31
31
31
29
28
22
23
24
21
21
20
20
21
22
22
24
25
26
27
26
26
26
26
25

Dew Point (°C)

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

Relative Humidity (%)

46
52
59
61
68
91
85
85
88
92
92
95
93
89
73
58
53
51
49
50
53
54
56
59

Pressure (mb)

1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1017
1018
1019
1019
1020
1020
1021
1021
1021

Ozone (du)

333
336
336
336
334
326
332
339
339
337
336
335
334
334
334
330
330
329
328
329
328
327
326
328

Saturday 20

Waxing Crescent 34%

13:20

01:16

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

Sun - Rise: 05:20, Set: 22:06, Transit: 13:43. Moon - Rise: 13:20, Set: 01:16. Civil Dark: 22:55 - 04:31. Nautical Dark: 00:15 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

47
45
69
61
82
92
92
84
40
38
91
97
94
58
85
57
100
82
80
88
92
100
82
64

Low Clouds (% Sky Obscured)

0
3
13
0
7
12
10
0
0
0
3
19
21
0
0
0
0
0
29
27
28
28
28
27

Medium Clouds (% Sky Obscured)

47
34
50
56
59
86
53
70
32
25
22
82
58
29
72
57
68
32
22
41
44
10
4
2

High Clouds (% Sky Obscured)

5
1
9
17
60
15
82
21
3
11
81
88
63
27
62
39
55
59
52
52
43
100
82
64

ISS Passover

Visibility (miles)

4
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
3
14
20
20
13
6
2
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
0
0
0
0
0
2
5
3
0
0
0
0
0
1
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
6
6
7
6
6
7
7
7
6
7
8
9
9
9
9
8
10
11
10
10
10

Chance of Frost

Temperature (°C)

23
22
21
20
19
19
19
18
18
17
17
17
17
18
20
21
22
24
25
26
27
27
28
28

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
69
74
76
75
72
72
77
79
81
81
81
76
68
59
53
48
45
42
40
39
40
41
43

Pressure (mb)

1022
1022
1023
1023
1024
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027
1028
1028
1027
1027
1027
1026
1026
1026
1026

Ozone (du)

327
327
327
326
327
329
328
328
328
327
326
326
327
327
328
330
332
334
334
334
334
335
334
334

Sunday 21

First Quarter 48%

14:37

01:26

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

Sun - Rise: 05:21, Set: 22:06, Transit: 13:44. Moon - Rise: 14:37, Set: 01:26. Civil Dark: 22:56 - 04:32. Nautical Dark: 00:16 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

46
38
22
28
11
13
32
21
7
17
14
14
11
31
53
73
74
86
85
77
65
60
53
48

Low Clouds (% Sky Obscured)

28
18
9
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)

1
1
3
4
4
4
5
4
2
0
0
0
0
0
0
0
0
0
0
4
8
11
8
4

High Clouds (% Sky Obscured)

46
38
22
28
3
4
30
15
1
7
5
10
11
31
53
73
74
86
83
66
50
34
30
27

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
2
0
0
0
0
0
0
0
0
1
1
2
1
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
9
8
7
8
9
9
8
8
7
8
8
8
8
9
9
9
9
9
8
8
8
8

Chance of Frost

Temperature (°C)

27
27
25
24
22
21
20
19
18
18
17
17
18
18
21
23
25
26
28
29
30
31
31
31

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
54
58
67
73
74
74
75
78
79
78
76
73
69
64
58
53
49
46
44
42
41
42
44

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023

Ozone (du)

334
334
332
331
330
330
331
330
329
328
328
331
334
334
334
340
342
334
332
330
328
326
324
324

Monday 22

Waxing Gibbous 59%

15:52

01:37

19 OK
20 OK
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

Sun - Rise: 05:21, Set: 22:07, Transit: 13:44. Moon - Rise: 15:52, Set: 01:37. Civil Dark: 22:56 - 04:32. Nautical Dark: 00:16 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

22
37
50
51
65
82
100
100
100
100
88
75
51
66
50
35
33
33
35
25
13
7
10
12

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
10
21
31
28
27
23
3
1
1
4
9
14
9
5
0
0
0

High Clouds (% Sky Obscured)

22
28
33
38
59
79
100
100
100
100
78
55
29
62
48
35
33
25
18
19
13
7
10
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
11
8
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

28
28
26
23
22
20
19
18
18
16
16
16
16
18
19
20
20
20
21
21
28
28
27
27

Dew Point (°C)

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

Relative Humidity (%)

48
52
57
61
68
74
77
76
73
72
68
65
61
55
51
47
44
40
36
33
32
32
31
35

Pressure (mb)

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

Ozone (du)

322
321
320
322
322
322
322
320
319
317
315
314
313
311
311
311
311
310
310
310
310
310
310
310

Tuesday 23

Waxing Gibbous 69%

17:06

01:49

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

Sun - Rise: 05:21, Set: 22:07, Transit: 13:44. Moon - Rise: 17:06, Set: 01:49. Civil Dark: 22:56 - 04:32. Nautical Dark: 00:16 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

20
21
26
26
20
14
12
29
40
54
51
49
48
52
55
58
59
62
63
42
21
0
0
1

Low Clouds (% Sky Obscured)

0
5
9
12
8
3
0
7
12
18
23
25
32
31
29
23
30
30
30
24
14
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)

20
21
26
26
20
14
12
29
24
18
7
2
1
0
2
2
2
2
5
5
2
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 (%)

3
1
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)

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

Chance of Frost

Temperature (°C)

27
26
24
22
20
20
19
18
18
18
17
18
19
20
21
23
24
25
25
26
26
26
27
25

Feels Like (°C)

27
28
23
23
23
23
21
21
17
17
18
17
17
16
21
21
20
21
21
21
26
26
25
26

Dew Point (°C)

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

Relative Humidity (%)

39
44
46
49
52
56
59
63
67
73
78
72
65
60
51
45
39
37
36
34
35
34
34
39

Pressure (mb)

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

Ozone (du)

310
309
309
308
308
307
307
306
306
306
306
306
305
305
306
306
307
308
310
312
313
314
315
314

Wednesday 24

Waxing Gibbous 77%

18:21

02:03

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

Sun - Rise: 05:22, Set: 22:07, Transit: 13:44. Moon - Rise: 18:21, Set: 02:03. Civil Dark: 22:56 - 04:33. Nautical Dark: 00:15 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
2
2
3
2
2
1
10
23
39
37
37
37
42
46
48
40
31
23

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
10
23
39
37
37
37
42
46
48
40
31
23

Medium Clouds (% Sky Obscured)

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
1
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

Fog (%)

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

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

26
26
22
22
21
21
21
20
15
14
15
15
14
14
16
16
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

45
51
55
60
65
70
73
77
78
78
79
74
69
65
56
48
42
37
33

Pressure (mb)

1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1023
1023

Ozone (du)

314
314
314
314
314
314
313
313
313
313
314
313
313
313
313
313
313
313
314

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

Generated: 18/06/26 19:54:18. Forecast: 18/06/26 to 24/06/26. Timezone: UTC+2.00