Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 30

Waxing Crescent 39%

12:30

00:44

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

Sun - Rise: 05:23, Set: 22:03, Transit: 13:43. Moon - Rise: 12:30, Set: 00:44. Civil Dark: 22:51 - 04:35. Nautical Dark: 00:08 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
11
3
4
0
0
0
14
0
3
10
25
36
39
93
93

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
6
0
3
10
13
36
25
22
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
10
3
4
0
0
0
0
0
0
0
1
1
0
86
83

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
4
20
7
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
6
6
7
6
6
5
5
5
6
6
6
6
7
7
7
8
7
6
12
5
6
7

Chance of Frost

Temperature (°C)

24
23
22
21
20
19
19
19
20
22
25
27
30
32
33
34
35
36
36
36
35
30
29
26

Feels Like (°C)

24
23
22
20
20
20
20
20
22
24
28
30
32
34
35
35
35
36
35
34
33
32
31
28

Dew Point (°C)

14
12
11
11
10
10
11
11
12
13
14
15
15
15
14
13
12
11
10
10
12
21
22
20

Relative Humidity (%)

51
49
51
52
54
54
58
61
61
55
50
46
41
36
31
26
24
22
20
21
26
57
64
69

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1013
1013

Ozone (du)

291
291
291
290
290
288
289
291
291
292
292
292
292
292
292
293
292
291
291
291
289
290
290
290

Tuesday 1

Waxing Crescent 49%

13:43

00:53

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

Sun - Rise: 05:24, Set: 22:02, Transit: 13:43. Moon - Rise: 13:43, Set: 00:53. Civil Dark: 22:50 - 04:36. Nautical Dark: 00:07 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

33
12
0
0
0
0
1
1
1
1
2
3
24
14
58
85
86
87
84
100
100
93
96
83

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
43
30
17
29
29
53
88
64
59

Medium Clouds (% Sky Obscured)

19
0
0
0
0
0
0
0
0
1
2
3
21
12
25
30
42
76
63
100
100
76
78
49

High Clouds (% Sky Obscured)

14
12
0
0
0
0
1
1
0
0
0
0
0
0
28
85
86
87
84
95
14
58
91
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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
11
16
10
14
25
11
15
15
38
50
26
7
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
6
5
5
4
5
4
4
5
5
4
7
7
8
11
14
16
18
17
10
13
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

18
17
17
16
15
15
15
14
15
15
14
14
15
14
14
14
15
14
14
15
17
16
15
15

Relative Humidity (%)

69
71
75
77
76
76
77
77
76
68
56
50
47
41
38
37
43
44
50
61
82
76
77
81

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1017
1017
1017
1018
1019
1020

Ozone (du)

292
293
294
294
294
294
294
296
297
296
295
295
294
294
295
295
295
296
295
296
297
300
299
300

Wednesday 2

First Quarter 59%

14:54

01:03

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 Good
20 Good
21 Good
22 Good

Sun - Rise: 05:25, Set: 22:02, Transit: 13:43. Moon - Rise: 14:54, Set: 01:03. Civil Dark: 22:50 - 04:37. Nautical Dark: 00:06 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
100
59
59
48
56
46
64
100
100
100
86
85
85
80
80
70
75
80
80
0
0
0
0

Low Clouds (% Sky Obscured)

53
68
47
59
48
56
44
64
60
55
62
65
56
39
26
25
18
5
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

69
76
24
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
40
42
0
0
0
0

High Clouds (% Sky Obscured)

77
95
2
0
1
0
0
0
95
95
95
65
85
85
80
75
43
60
75
80
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
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
15
15
14
15
14
16
16
17
18
19
20
20
21
21
21
20
20
19
18
17
16

Dew Point (°C)

15
15
15
14
13
13
13
12
12
11
9
8
6
5
5
5
4
4
4
4
5
6
7
9

Relative Humidity (%)

87
89
90
90
92
90
90
90
84
72
59
48
41
36
33
31
30
29
30
32
34
39
46
59

Pressure (mb)

1020
1021
1022
1022
1023
1023
1023
1024
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

304
306
308
309
310
313
315
315
314
316
316
316
317
318
318
317
318
319
319
320
322
324
324
324

Thursday 3

Waxing Gibbous 68%

16:07

01:13

23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
05 Good
06 Good
07 Good
08 Good
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 Bad
22 Bad

Sun - Rise: 05:26, Set: 22:01, Transit: 13:44. Moon - Rise: 16:07, Set: 01:13. Civil Dark: 22:49 - 04:38. Nautical Dark: 00:05 - 03:24. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
28
15
0
0
14
22
34
49
65
84
76
73
76
92
96
100
84
69
56

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
12
22
34
35
32
28
19
9
0
3
7
10
7
3
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
13
26
42
45
48
51
51
46
38
37
32
25

High Clouds (% Sky Obscured)

0
0
0
0
0
28
15
0
0
4
0
0
0
0
0
0
0
0
33
67
100
67
37
5

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)

7
6
6
5
5
4
4
3
3
4
4
4
4
4
4
4
4
4
4
5
5
6
6
5

Chance of Frost

Temperature (°C)

15
14
13
13
12
11
11
11
13
15
17
19
20
22
23
24
24
25
25
25
24
23
21
19

Feels Like (°C)

15
14
14
13
12
12
10
12
14
15
17
19
20
22
22
22
24
25
25
23
22
21
19
17

Dew Point (°C)

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

Relative Humidity (%)

70
78
83
84
86
86
84
84
75
62
49
40
35
32
29
27
25
24
24
25
28
33
41
49

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1024
1023
1023
1022
1022
1022
1021

Ozone (du)

324
327
329
330
330
335
349
354
349
341
337
334
331
329
329
328
328
327
326
326
328
328
328
328

Friday 4

Waxing Gibbous 77%

17:20

01:25

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 05:27, Set: 22:01, Transit: 13:44. Moon - Rise: 17:20, Set: 01:25. Civil Dark: 22:48 - 04:39. Nautical Dark: 00:04 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
86
100
100
99
98
98
97
97
96
96
95
97
98
100
99
99
98
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

2
3
5
9
13
20
14
7
0
3
7
10
36
71
88
77
68
56
58
60
61
57
54
51

Medium Clouds (% Sky Obscured)

32
40
47
63
91
89
95
96
97
95
95
94
91
87
79
74
67
55
57
63
69
74
79
85

High Clouds (% Sky Obscured)

37
68
100
94
87
81
79
77
75
50
25
0
3
5
7
25
42
60
73
87
100
100
100
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
8
7

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
2
1
2
1
0
13
22
29
26
19
11
14
9
1
5
7
4
16
25
34

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
15
13
13
13
13
15
16
18
19
19
18
18
19
19
19
19
19
20
21
16
16

Dew Point (°C)

8
7
6
6
5
5
5
5
6
5
5
4
2
2
3
3
2
1
0
2
3
5
8
11

Relative Humidity (%)

51
50
49
47
47
47
48
47
46
40
36
31
25
26
26
26
24
23
21
25
30
35
48
64

Pressure (mb)

1021
1020
1020
1019
1019
1018
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1013
1012
1012
1011
1010
1010
1009
1009

Ozone (du)

328
326
326
327
328
327
325
324
325
329
331
332
332
329
327
326
324
323
322
321
321
320
320
319

Saturday 5

Waxing Gibbous 85%

18:35

01:40

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 05:28, Set: 22:00, Transit: 13:44. Moon - Rise: 18:35, Set: 01:40. Civil Dark: 22:48 - 04:40. Nautical Dark: 00:02 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
98
97
95
93
93
96
98
100
93
88
83
86
91
94
92
88
86

Low Clouds (% Sky Obscured)

49
46
43
43
40
40
34
33
31
34
44
57
71
86
100
87
76
66
70
71
73
63
53
44

Medium Clouds (% Sky Obscured)

90
96
100
93
87
80
68
57
45
55
50
50
43
34
33
48
63
76
69
62
54
62
67
72

High Clouds (% Sky Obscured)

100
100
100
100
100
100
97
90
80
75
70
70
70
70
70
53
35
3
10
20
30
20
10
3

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

53
67
81
74
65
54
52
49
47
61
73
80
88
93
94
76
55
44
53
61
60
56
49
35

Precipitation Amount (mm)

0
0.3
0.4
0.3
0.3
0.2
0
0
0
0.3
0.4
0.4
0.5
0.7
0.9
0.5
0.2
0
0
0.3
0.2
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
17
17
17
17
17
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
90
92
93
95
96
93
92
90
89
85
83
83
83
82
85
87
90
90
88
86
87
89

Pressure (mb)

1008
1008
1007
1006
1005
1004
1003
1003
1002
1002
1002
1002
1001
1001
1001
1001
1001
1002
1002
1002
1002
1002
1003
1003

Ozone (du)

319
322
324
326
333
339
345
350
355
360
360
360
360
361
361
362
361
361
360
361
362
362
363
365

Sunday 6

Waxing Gibbous 82%

19:48

02:01

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: 05:29, Set: 22:00, Transit: 13:44. Moon - Rise: 19:48, Set: 02:01. Civil Dark: 22:47 - 04:41. Nautical Dark: 00:01 - 03:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

90
93
99
99
98
98
99
99
100
100
100
100
96
92
89
93
97
100
95
89
83

Low Clouds (% Sky Obscured)

42
41
44
58
67
75
69
66
69
73
82
87
81
76
71
72
72
74
68
64
60

Medium Clouds (% Sky Obscured)

68
65
64
67
64
64
69
74
86
79
68
57
55
53
51
43
34
26
25
22
21

High Clouds (% Sky Obscured)

30
56
82
58
35
13
44
72
100
100
100
100
89
86
86
93
97
100
85
71
57

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

31
24
4
15
19
19
26
27
25
70
56
39
44
49
55
61
64
65
65
64
60

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.5
0
0
0
0
0
0.2
0.2
0.3
0.2
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
15
15
16
17
17
18
18
19
19
20
21
20
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
92
93
96
92
89
87
77
67
59
59
58
57
51
46
42
42
44

Pressure (mb)

1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003

Ozone (du)

366
366
367
367
368
369
369
368
367
365
366
367
368
369
370
370
372
374
376
377
378

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

Generated: 30/06/25 23:52:31. Forecast: 30/06/25 to 06/07/25. Timezone: UTC+2.00