Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waxing Gibbous 91%

19:31

02:44

05 Bad
06 Bad
07 OK
08 Bad
09 Good
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: 05:20, Set: 22:04, Transit: 13:42. Moon - Rise: 19:31, Set: 02:44. Civil Dark: 22:53 - 04:32. Nautical Dark: 00:11 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

71
59
46
51
15
67
31
34
59
74
39
80
39
99
49
30
69
53
47
77
92
84
97
97

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
42
0
32
18
6
35
2
9
8
2
1
1
14

High Clouds (% Sky Obscured)

62
46
46
34
11
38
31
34
59
74
39
50
24
96
40
30
69
53
47
77
92
84
95
96

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
1
3
0
0
2
8
3
5
5
17
1
6
3
17

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)

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

Chance of Frost

Temperature (°C)

22
22
22
23
26
28
30
33
34
36
37
37
37
37
35
32
30
28
26
24
23
23
22
21

Feels Like (°C)

23
22
24
24
28
31
33
34
35
36
37
39
39
38
36
33
32
29
27
26
24
23
22
22

Dew Point (°C)

19
19
18
18
18
18
18
18
19
19
18
17
17
17
18
19
20
18
17
16
16
16
15
15

Relative Humidity (%)

80
83
78
71
61
53
47
42
39
36
32
30
30
30
35
45
54
55
58
60
61
64
64
68

Pressure (mb)

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

Ozone (du)

314
313
312
311
312
311
310
308
310
311
310
310
311
311
310
310
312
310
311
310
311
310
309
307

Saturday 27

Waxing Gibbous 96%

20:40

03:19

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

Sun - Rise: 05:21, Set: 22:04, Transit: 13:42. Moon - Rise: 20:40, Set: 03:19. Civil Dark: 22:52 - 04:33. Nautical Dark: 00:11 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

54
33
76
38
100
100
70
99
85
45
64
98
69
13
34
32
53
58
70
67
35
59
71
71

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
19
0
0
0
16
39
18
23

Medium Clouds (% Sky Obscured)

22
27
14
26
13
1
0
0
1
4
0
0
11
7
5
15
36
33
39
52
35
58
12
24

High Clouds (% Sky Obscured)

44
8
59
38
100
100
32
97
85
45
61
97
43
5
34
7
11
37
48
61
35
57
62
52

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
1
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
Heavy Rain
Moderate Rain
None
None

Precipitation Probability (%)

0
0
0
1
0
0
13
1
0
0
0
0
0
0
0
0
6
32
31
70
95
95
22
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
2.5
0
0

Wind Speed/Direction (mph)

2
3
3
3
3
5
6
7
8
9
9
8
6
7
6
9
9
7
8
5
5
10
2
5

Chance of Frost

Temperature (°C)

21
21
21
23
24
26
28
30
31
32
32
33
34
34
33
31
28
26
24
23
23
22
22
21

Feels Like (°C)

22
23
24
26
26
28
29
32
33
32
33
35
35
36
36
33
31
29
25
26
25
20
25
22

Dew Point (°C)

16
16
16
15
15
15
15
16
15
16
16
16
16
16
17
19
19
19
17
18
17
21
20
19

Relative Humidity (%)

75
75
71
62
56
49
46
43
38
38
36
35
34
34
37
48
58
64
66
70
65
96
91
91

Pressure (mb)

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

Ozone (du)

307
308
308
309
310
308
307
307
307
306
305
305
305
305
304
304
305
303
302
299
296
297
302
304

Sunday 28

Waxing Gibbous 99%

21:38

04:06

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

Sun - Rise: 05:21, Set: 22:04, Transit: 13:42. Moon - Rise: 21:38, Set: 04:06. Civil Dark: 22:52 - 04:33. Nautical Dark: 00:10 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

57
36
67
73
83
75
93
65
78
69
32
41
31
55
65
0
55
51
40
50
50
39
50
50

Low Clouds (% Sky Obscured)

11
8
17
13
0
0
6
38
34
36
32
41
31
25
0
0
0
0
0
0
3
2
1
0

Medium Clouds (% Sky Obscured)

24
24
20
19
74
75
66
55
70
27
17
9
3
1
0
0
18
28
39
35
6
4
2
0

High Clouds (% Sky Obscured)

31
3
32
73
83
55
93
59
75
53
0
0
0
38
60
0
45
35
1
29
35
30
50
50

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
5
37
22
30
54
34
29
3
14
10
2
2
1
1
0
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
2
2
4
7
8
10
10
9
11
8
9
10
11
11
10
9
5
6
6
5
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
25
26
27
26
26
26
25
27
26
28
30
28
27
27
26
24
21
20
20
20
20
20
18

Dew Point (°C)

19
19
19
19
20
20
19
20
23
20
19
17
17
16
15
16
16
15
13
14
15
16
16
16

Relative Humidity (%)

89
88
85
81
80
73
68
69
81
64
59
54
52
52
53
58
64
69
66
71
81
86
88
90

Pressure (mb)

1015
1015
1015
1016
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

306
307
308
309
309
309
310
315
323
323
321
320
321
322
321
322
325
325
324
322
323
325
326
329

Monday 29

Waxing Gibbous 100%

22:24

05:06

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

Sun - Rise: 05:22, Set: 22:03, Transit: 13:43. Moon - Rise: 22:24, Set: 05:06. Civil Dark: 22:52 - 04:34. Nautical Dark: 00:09 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

62
76
36
37
40
40
65
87
92
95
97
100
100
100
100
50
35
62
81
74
70
65
65
65

Low Clouds (% Sky Obscured)

3
6
10
16
24
30
36
42
44
42
46
42
26
11
2
1
8
22
38
40
45
40
40
30

Medium Clouds (% Sky Obscured)

0
0
0
9
17
26
34
37
61
51
78
73
47
37
28
25
23
18
13
7
28
45
45
45

High Clouds (% Sky Obscured)

62
76
19
24
16
7
6
30
40
60
83
92
100
100
100
50
18
6
49
65
65
60
53
60

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
8
12
3
2
1
7
2
2
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
5
5
6
6
6
6
7
8
10
10
11
11
10
10
9
8
7
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
18
19
22
24
25
26
25
24
24
22
22
21
20
18
17
16
16
15
14
14
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

90
89
83
76
68
62
57
51
47
44
50
54
52
52
52
57
62
67
69
67
66
66
68
70

Pressure (mb)

1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1024
1024

Ozone (du)

333
331
333
330
326
325
326
325
325
326
329
331
332
334
338
340
337
337
335
333
335
336
336
336

Tuesday 30

Full Moon 99%

22:59

05:06

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

Sun - Rise: 05:23, Set: 22:03, Transit: 13:43. Moon - Rise: 22:59, Set: 05:06. Civil Dark: 22:51 - 04:35. Nautical Dark: 00:08 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
84
98
99
99
100
100
100
100
100
100
100
100
67
57
49
45
46
54
58
67
63
55
48

Low Clouds (% Sky Obscured)

30
25
25
35
48
57
57
37
25
31
48
63
46
19
3
31
25
17
16
15
17
20
21
22

Medium Clouds (% Sky Obscured)

14
40
41
63
81
100
100
100
100
97
67
64
60
61
56
49
45
46
51
51
51
49
42
33

High Clouds (% Sky Obscured)

17
84
94
91
99
100
100
100
100
100
100
100
100
32
23
25
14
9
5
3
2
1
1
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
1
1
0
2
3
1
2
1
1
2
1
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
5
6
6
7
8
7
8
7
7
7
7
9
11
10
8
8
8
7
6
5
5
5

Chance of Frost

Temperature (°C)

15
15
15
16
17
17
18
19
20
21
22
22
22
21
21
20
20
18
17
16
16
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
70
72
70
71
68
69
62
54
46
44
45
47
47
47
52
58
66
77
81
85
90
90
90

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1022
1022
1021
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

337
334
337
340
339
339
341
343
346
347
351
352
351
360
363
369
367
365
363
357
351
345
342
339

Wednesday 1

Waning Gibbous 96%

23:23

06:15

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

Sun - Rise: 05:23, Set: 22:03, Transit: 13:43. Moon - Rise: 23:23, Set: 06:15. Civil Dark: 22:51 - 04:36. Nautical Dark: 00:07 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

37
31
25
28
28
33
41
44
44
38
28
25
30
30
35
37
39
46
56
53
58
69
83
98

Low Clouds (% Sky Obscured)

24
28
25
25
24
27
29
31
32
30
24
19
19
24
30
30
30
30
35
35
35
49
56
59

Medium Clouds (% Sky Obscured)

20
10
0
6
12
18
16
13
10
21
28
25
30
30
35
37
39
38
40
42
44
46
48
46

High Clouds (% Sky Obscured)

0
1
1
2
3
3
11
19
25
23
19
17
12
8
2
3
4
5
3
2
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

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
2
4
8
7
6
1
3
6
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
15
14
20
20
20
21
21
21
25
25
24
23
22
21
18
18
17
17
16
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

90
85
79
73
63
56
49
46
42
39
43
47
53
53
52
51
55
59
64
64
63
63
69
75

Pressure (mb)

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

Ozone (du)

336
335
333
331
331
330
329
328
328
327
329
330
332
331
331
330
329
329
328
329
329
330
331
333

Thursday 2

Waning Gibbous 91%

23:41

07:30

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

Sun - Rise: 05:24, Set: 22:02, Transit: 13:43. Moon - Rise: 23:41, Set: 07:30. Civil Dark: 22:50 - 04:37. Nautical Dark: 00:06 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
95
94
91
89
88
73
58
43
34
26
17
23
30
38
27
17
7
8
8
9

Low Clouds (% Sky Obscured)

64
67
71
69
67
65
49
34
20
18
14
11
17
23
29
20
11
3
2
1
0

Medium Clouds (% Sky Obscured)

49
43
42
49
38
27
19
10
0
0
0
0
0
0
0
0
0
0
2
4
6

High Clouds (% Sky Obscured)

4
8
18
30
46
62
57
49
36
26
16
9
10
12
14
8
5
2
3
6
8

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

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
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
21
17
24
23
18
17
16
14
12
8
0
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
15
15
18
18
18
18
19
19
22
21
19
20
19
19
15
16
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

81
82
82
82
72
63
56
51
47
43
43
42
42
46
49
53
60
68
76
82
86

Pressure (mb)

1020
1020
1020
1021
1021
1021
1021
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1024
1024
1024
1024

Ozone (du)

334
334
334
334
335
335
335
334
334
334
333
333
333
333
333
334
335
335
336
338
340

Forecast for Utrecht, Gemeente Utrecht, Netherlands (52.09,5.12)

Generated: 26/06/26 04:51:57. Forecast: 26/06/26 to 02/07/26. Timezone: UTC+2.00