Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

Waxing Gibbous 96%

20:40

03:19

05 OK
06 OK
07 OK
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
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)

30
15
17
72
100
100
100
67
50
59
84
53
36
47
44
89
72
100
70
100
90
100
100
70

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
0
0
27
23
38
52
39
37
22

Medium Clouds (% Sky Obscured)

1
0
16
16
3
7
0
0
2
1
20
53
26
39
24
32
31
37
51
61
40
25
13
17

High Clouds (% Sky Obscured)

0
13
17
72
100
100
100
67
50
59
68
53
29
5
12
73
38
100
65
100
86
100
100
54

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
3
6
5
2
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

2
4
5
0
0
1
0
0
0
0
0
1
2
3
22
34
24
95
95
95
95
54
3
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.2
0.9
0.8
1.2
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
5
5
5
4
5
6
5
6
7
10
10
9
9
12
12
10
7
6
3

Chance of Frost

Temperature (°C)

21
21
21
22
24
26
27
29
31
32
33
34
33
33
31
29
27
25
22
22
21
21
22
21

Feels Like (°C)

21
22
23
23
25
27
28
30
33
34
34
36
35
35
33
31
28
27
23
23
22
23
23
23

Dew Point (°C)

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

Relative Humidity (%)

64
66
68
65
58
52
47
43
40
38
37
35
47
44
45
65
75
72
88
91
95
98
98
96

Pressure (mb)

1016
1017
1017
1017
1017
1018
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1014
1015
1016
1015
1016
1015
1014
1014

Ozone (du)

311
312
311
312
311
310
309
307
306
306
307
306
306
305
305
304
303
305
301
298
296
300
307
307

Sunday 28

Waxing Gibbous 99%

21:38

04:06

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

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)

66
90
53
35
40
21
66
66
32
28
30
32
19
42
23
9
0
65
40
22
41
33
39
27

Low Clouds (% Sky Obscured)

30
41
46
35
40
21
33
56
32
28
30
32
8
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

18
24
9
0
0
1
3
11
0
0
0
0
12
41
22
7
0
0
0
1
0
0
2
0

High Clouds (% Sky Obscured)

50
65
0
0
0
2
26
31
0
0
0
2
0
1
0
4
0
65
40
22
41
33
39
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
1
2
1
13
0
0
20
15
4
5
5
7
6
3
2
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
4
5
5
6
8
7
8
9
10
11
11
12
12
11
9
8
6
5
5
4
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
25
24
26
26
26
28
28
29
29
29
29
28
27
25
25
25
23
20
19
20
19
18
17

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
91
84
72
64
57
53
52
52
51
51
50
53
60
67
72
72
75
76
78
78
81

Pressure (mb)

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

Ozone (du)

313
320
324
324
316
312
314
315
315
313
310
309
309
309
308
308
309
309
309
307
309
307
309
310

Monday 29

Waxing Gibbous 100%

22:24

05:06

05 Good
06 OK
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 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 OK

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)

16
31
60
88
82
60
70
74
69
70
77
58
61
56
54
50
29
26
36
56
54
52
49
48

Low Clouds (% Sky Obscured)

0
0
23
28
28
27
34
45
40
39
43
24
15
27
28
22
27
24
22
22
26
32
38
43

Medium Clouds (% Sky Obscured)

3
3
0
0
1
13
48
23
21
3
18
9
26
3
0
0
5
21
31
34
2
4
6
9

High Clouds (% Sky Obscured)

11
31
60
88
82
60
70
74
69
65
60
58
61
45
40
39
5
3
0
3
35
32
21
18

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
2
1
1
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)

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

Chance of Frost

Temperature (°C)

17
16
17
19
20
22
23
25
25
26
26
26
25
24
23
22
20
19
18
17
17
16
16
15

Feels Like (°C)

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

Dew Point (°C)

14
14
14
14
14
14
14
15
15
15
15
14
15
15
15
15
14
14
13
14
13
13
13
13

Relative Humidity (%)

82
83
79
72
66
60
56
54
51
50
49
49
53
59
59
63
66
70
74
79
79
83
85
87

Pressure (mb)

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

Ozone (du)

312
317
316
316
317
318
319
318
316
316
316
320
320
322
325
329
332
334
334
334
335
335
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 OK
18 OK
19 OK
20 Bad
21 Bad
22 OK
23 OK
00 Bad
01 Bad
02 OK
03 OK
04 OK

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)

53
71
93
95
78
99
99
100
100
100
100
59
37
40
39
86
71
39
36
76
73
31
24
22

Low Clouds (% Sky Obscured)

49
59
70
68
62
59
58
62
58
43
17
0
0
2
3
22
27
1
3
3
4
5
6
7

Medium Clouds (% Sky Obscured)

14
20
24
35
48
97
98
99
100
100
100
59
37
40
32
26
19
21
28
49
63
31
24
22

High Clouds (% Sky Obscured)

16
23
22
47
26
47
62
70
100
100
100
41
32
35
39
32
17
12
8
47
17
3
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
11
5
3
1
6
5
3
2
1
0
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
81
71
65
58
56
55
55
58
57
56
50
46
45
53
64
69
78
81
83
84
86
87

Pressure (mb)

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

Ozone (du)

338
341
339
337
338
338
340
344
345
349
349
360
363
360
360
360
361
362
361
361
361
362
363
366

Wednesday 1

Waning Gibbous 96%

23:23

06:15

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

25
70
66
61
37
43
40
35
59
68
77
59
65
44
15
50
41
34
45
54
65
66
65
66

Low Clouds (% Sky Obscured)

13
40
46
45
32
34
30
28
56
60
64
46
49
31
9
18
9
1
2
2
3
2
2
2

Medium Clouds (% Sky Obscured)

23
22
47
25
27
29
19
13
3
13
25
37
25
13
0
28
32
34
44
50
56
61
63
64

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
10
3
4
5
7
5
3
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
1
0
1
1
0
6
16
16
11
4
0
0
1
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
4
5
5
5
6
6
5
6
8
7
7
8
7
6
5
4
3
2
2
4
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
82
74
65
54
48
44
40
41
53
51
43
46
47
50
56
64
73
75
77
78
79
80

Pressure (mb)

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

Ozone (du)

367
369
369
369
368
369
368
371
372
373
373
371
370
366
355
350
345
341
337
334
330
327
326
325

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 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 OK
04 OK

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)

72
80
87
92
95
100
95
90
85
86
87
89
85
81
75
72
69
65
56
57
56
51
43
37

Low Clouds (% Sky Obscured)

21
42
62
68
76
87
84
80
76
74
71
68
62
55
48
44
40
36
38
38
39
30
24
21

Medium Clouds (% Sky Obscured)

70
78
83
82
83
83
71
58
47
45
43
40
42
44
42
36
33
27
23
18
16
11
6
1

High Clouds (% Sky Obscured)

3
4
5
13
19
25
20
14
7
11
13
15
10
5
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 (%)

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
3
4
3
2
7
10
10
21
26
27
31
35
36
28
21
11
8
4
0
2
2
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)

7
8
9
10
11
13
15
14
14
16
15
15
15
14
14
13
12
11
10
9
8
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
77
71
66
62
58
55
57
59
60
67
74
82
80
75
72
75
78
81
82
83
83
79
76

Pressure (mb)

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

Ozone (du)

324
324
324
323
323
323
323
323
323
323
325
327
328
329
330
331
332
334
335
335
334
333
334
335

Friday 3

Waning Gibbous 85%

23:55

08:46

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

Sun - Rise: 05:25, Set: 22:02, Transit: 13:43. Moon - Rise: 23:55, Set: 08:46. Civil Dark: 22:50 - 04:38. Nautical Dark: 00:05 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

44
51
58
68
79
90
87
84
82
67
53
40
27
14
1
9
21
36
39
34
34

Low Clouds (% Sky Obscured)

20
21
23
42
61
80
77
76
73
58
46
35
24
13
0
4
9
16
12
9
5

Medium Clouds (% Sky Obscured)

6
11
16
19
17
15
25
34
43
29
16
2
1
1
0
0
0
1
1
1
1

High Clouds (% Sky Obscured)

7
13
28
23
20
16
11
6
0
0
1
1
0
0
0
7
15
29
33
34
34

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 (%)

7
8
2
8
8
5
15
18
22
18
12
1
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)

9
10
10
10
10
10
10
11
12
14
14
14
15
13
11
10
8
7
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
72
71
69
68
66
65
63
62
56
49
45
46
47
50
55
61
67
70
72

Pressure (mb)

1020
1021
1021
1022
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027

Ozone (du)

335
340
344
348
350
351
353
357
360
363
364
364
364
363
362
361
362
363
365
364
363

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

Generated: 27/06/26 05:48:56. Forecast: 27/06/26 to 03/07/26. Timezone: UTC+2.00