Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 3

Waning Gibbous 85%

23:55

08:46

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

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)

7
13
18
25
41
33
47
65
56
44
52
46
68
83
84
92
77
79
81
89
90
95
97
99

Low Clouds (% Sky Obscured)

7
13
18
24
41
33
47
55
49
33
35
23
17
2
0
0
1
25
25
25
38
45
44
34

Medium Clouds (% Sky Obscured)

0
0
10
0
0
0
6
34
13
20
24
32
26
23
29
34
32
77
79
85
79
67
76
99

High Clouds (% Sky Obscured)

1
3
18
7
15
6
10
10
10
7
13
8
31
44
61
76
43
73
52
6
6
5
3
2

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
4

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
9
11
12
12
12
13
13
13
13
13
11
9
6
5
4
4
4
5
5
6

Chance of Frost

Temperature (°C)

12
13
14
16
18
19
20
20
20
21
21
21
20
19
19
18
17
15
15
14
14
14
15
15

Feels Like (°C)

12
14
15
16
18
18
18
18
18
18
18
18
17
17
16
16
16
15
13
13
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

81
81
75
67
61
52
47
45
43
42
40
40
42
44
47
51
59
67
63
64
64
64
64
66

Pressure (mb)

1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026

Ozone (du)

355
354
351
349
346
346
345
344
343
340
338
336
336
336
334
332
329
326
328
332
333
332
332
330

Saturday 4

Waning Gibbous 83%

00:07

10:01

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 Bad
04 Bad

Sun - Rise: 05:26, Set: 22:01, Transit: 13:44. Moon - Rise: 00:07, Set: 10:01. Civil Dark: 22:49 - 04:39. Nautical Dark: 00:04 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

78
77
74
65
63
52
62
56
67
85
85
87
92
95
86
91
81
64
91
90
99
100
100
95

Low Clouds (% Sky Obscured)

53
59
67
40
50
52
62
52
62
71
56
52
60
83
61
58
33
25
32
39
45
39
33
5

Medium Clouds (% Sky Obscured)

72
65
56
43
39
15
9
26
28
45
36
28
28
32
30
42
43
46
51
41
56
55
92
73

High Clouds (% Sky Obscured)

1
0
0
0
0
0
4
9
3
5
51
80
25
31
9
14
63
13
81
77
92
99
55
57

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
12
11
1
0
1
2
0
0
0
0
0
4
0
0
0
1

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
8
9
10
10
12
14
14
15
15
16
15
14
13
12
10
6
5
5
5
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
14
15
18
19
21
21
21
21
20
21
21
21
21
20
21
20
19
17
17
17
17
16

Dew Point (°C)

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

Relative Humidity (%)

69
74
67
63
60
50
50
53
50
53
52
51
50
55
62
70
68
78
82
83
86
85
88
88

Pressure (mb)

1026
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022

Ozone (du)

332
335
334
333
333
333
332
332
335
337
341
341
339
339
339
339
341
340
339
340
339
341
345
344

Sunday 5

Waning Gibbous 77%

00:18

11:17

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 Bad
04 Bad

Sun - Rise: 05:27, Set: 22:01, Transit: 13:44. Moon - Rise: 00:18, Set: 11:17. Civil Dark: 22:49 - 04:40. Nautical Dark: 00:03 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
100
100
86
95
97
99
84
95
88
82
58
55
83
100
97
91
100
65
57
82
63
51
58

Low Clouds (% Sky Obscured)

32
39
48
61
86
72
92
80
65
64
58
55
46
37
33
7
18
24
25
22
38
39
40
41

Medium Clouds (% Sky Obscured)

62
93
79
41
45
39
43
36
35
35
26
22
20
23
41
75
40
16
2
2
15
29
37
49

High Clouds (% Sky Obscured)

91
98
70
25
26
67
15
17
88
59
41
23
21
61
100
92
84
100
64
55
68
30
11
13

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
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
3
17
18
28
43
40
34
26
9
4
1
1
0
0
0
0
1
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
8
9
11
12
12
12
14
14
14
15
15
14
13
12
10
7
5
4
4
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
78
76
77
75
73
70
67
56
55
49
50
49
50
54
59
65
71
78
82
83
83
89
90

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1019

Ozone (du)

345
348
351
351
350
351
351
347
344
343
343
341
341
339
338
338
336
335
333
331
330
331
330
330

Monday 6

Waning Gibbous 67%

00:29

12:34

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 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:27, Set: 22:00, Transit: 13:44. Moon - Rise: 00:29, Set: 12:34. Civil Dark: 22:48 - 04:41. Nautical Dark: 00:01 - 03:28. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

63
90
81
80
77
82
99
74
58
95
94
94
95
95
93
96
98
100
37
36
44
100
99
99

Low Clouds (% Sky Obscured)

43
48
50
48
44
38
44
47
50
48
46
41
38
35
38
51
69
71
31
25
18
58
31
39

Medium Clouds (% Sky Obscured)

49
68
36
26
25
45
70
38
44
81
80
77
78
71
70
76
77
35
37
36
40
81
40
40

High Clouds (% Sky Obscured)

7
10
56
52
61
75
80
61
36
68
67
69
79
78
68
83
70
89
37
35
43
98
95
93

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
1
3
3
3
13
14
8
9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
83
75
64
53
46
43
41
38
40
41
41
43
42
46
58
67
70
78
79
83
81
87

Pressure (mb)

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

Ozone (du)

330
331
332
331
331
331
333
333
336
335
342
344
348
350
349
349
352
355
354
355
353
352
352
353

Tuesday 7

Third Quarter 57%

00:41

13:53

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 Bad
04 Bad

Sun - Rise: 05:28, Set: 22:00, Transit: 13:44. Moon - Rise: 00:41, Set: 13:53. Civil Dark: 22:47 - 04:42. Nautical Dark: 00:00 - 03:30. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
100
98
96
94
96
97
99
99
100
100
98
97
95
87
77
63
54
50
49
57
63
68

Low Clouds (% Sky Obscured)

38
55
66
75
75
72
54
67
71
70
62
49
40
37
35
42
35
26
25
23
25
35
42
50

Medium Clouds (% Sky Obscured)

44
49
53
85
38
25
29
36
40
39
40
36
38
45
47
27
14
0
0
0
0
8
15
21

High Clouds (% Sky Obscured)

82
71
60
68
75
83
87
91
96
97
99
100
95
90
90
81
73
59
48
34
20
15
11
6

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 (%)

5
6
3
15
11
21
10
16
4
2
2
1
1
1
0
1
1
0
0
0
0
2
3
4

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
7
7
9
10
11
12
13
13
14
14
14
14
13
12
10
9
7
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
85
76
72
69
66
58
54
53
51
48
49
51
52
56
65
73
82
83
86
87
86
86

Pressure (mb)

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

Ozone (du)

354
356
357
353
349
345
339
334
333
331
329
328
327
327
327
325
324
323
322
320
319
318
317
316

Wednesday 8

Waning Crescent 45%

00:56

15:16

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 OK
20 OK
21 OK
22 Good
23 Good
00 OK
01 OK
02 OK
03 OK
04 OK

Sun - Rise: 05:29, Set: 21:59, Transit: 13:44. Moon - Rise: 00:56, Set: 15:16. Civil Dark: 22:46 - 04:44. Nautical Dark: 23:58 - 03:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

72
81
92
92
93
92
84
76
66
63
62
61
54
47
38
31
25
18
18
23
25
29
33
38

Low Clouds (% Sky Obscured)

63
78
90
91
91
91
83
74
65
63
61
60
54
47
38
31
25
18
18
19
20
19
20
22

Medium Clouds (% Sky Obscured)

13
6
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)

6
5
3
3
1
0
0
0
0
0
1
1
2
2
2
2
2
2
2
2
3
3
2
2

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 (%)

2
2
0
0
0
0
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
7
7
8
9
10
12
13
13
14
14
14
15
14
13
12
10
8
7
6
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
12
12
12
12
11
11
11
11
12
12
12
13
13
13
12
12
12
12

Relative Humidity (%)

84
80
77
74
70
65
61
58
56
54
52
51
50
53
57
60
68
76
85
86
86
87
87
89

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

316
316
316
317
316
316
316
316
317
317
316
316
315
315
316
316
316
316
316
316
317
318
318
318

Thursday 9

Waning Crescent 34%

01:15

16:43

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 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:30, Set: 21:58, Transit: 13:44. Moon - Rise: 01:15, Set: 16:43. Civil Dark: 22:45 - 04:45. Nautical Dark: 23:57 - 03:34. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

45
51
57
56
58
60
60
61
61
56
53
51
45
39
31
36
43
52
59
60
63

Low Clouds (% Sky Obscured)

23
25
31
37
42
48
45
41
38
33
27
27
29
32
28
27
23
19
22
23
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
7

High Clouds (% Sky Obscured)

5
7
15
29
48
60
60
61
56
41
25
13
9
7
4
11
19
35
42
53
55

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 (%)

0
1
0
2
1
0
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
15
17
18
19
20
21
22
24
24
24
24
23
22
21
19
18
16
16
15

Feels Like (°C)

15
15
14
15
18
18
18
18
18
18
24
23
23
23
23
24
19
19
19
18
17

Dew Point (°C)

11
12
12
12
12
12
13
12
12
12
12
11
11
11
11
11
12
12
12
13
13

Relative Humidity (%)

89
83
78
72
68
65
62
57
51
46
46
45
44
46
49
53
60
70
79
82
85

Pressure (mb)

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

Ozone (du)

319
319
319
319
319
320
320
321
322
323
323
323
323
323
323
323
324
324
324
325
326

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

Generated: 03/07/26 04:56:22. Forecast: 03/07/26 to 09/07/26. Timezone: UTC+2.00