Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waxing Gibbous 72%

17:20

00:23

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 OK
23 Good

Sun - Rise: 05:48, Set: 21:43, Transit: 13:46. Moon - Rise: 17:20, Set: 00:23. Civil Dark: 22:27 - 05:05. Nautical Dark: 23:28 - 04:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
87
82
80
71
58
66
73
72
87
71
80
98
84
100
98
98
99
99
100
81
85
32
12

Low Clouds (% Sky Obscured)

77
76
82
80
71
53
63
73
72
67
53
41
30
27
17
16
19
16
16
14
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
3
3
3
3

High Clouds (% Sky Obscured)

2
0
3
3
2
4
3
0
3
51
27
49
94
80
100
96
94
99
98
100
79
83
27
10

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
12
16
17
9
12
11
9
3
6
1
1
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)

6
6
5
5
6
6
5
4
5
7
9
10
11
12
12
13
13
13
13
12
11
9
6
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
68
70
79
84
86
92
86
79
73
59
48
46
43
41
40
40
42
46
50
54
60
71
79

Pressure (mb)

1022
1022
1022
1022
1022
1021
1021
1021
1021
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

360
361
360
361
363
363
362
360
356
352
349
344
342
340
337
335
333
330
328
326
325
324
322
322

Friday 24

Waxing Gibbous 80%

18:31

00:46

00 OK
01 OK
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 OK
22 OK
23 Bad

Sun - Rise: 05:49, Set: 21:42, Transit: 13:46. Moon - Rise: 18:31, Set: 00:46. Civil Dark: 22:25 - 05:06. Nautical Dark: 23:26 - 04:05. Astro Dark: N/A - 02:10

Total Clouds (% Sky Obscured)

29
37
58
55
49
53
63
54
54
57
67
66
73
79
90
76
59
67
66
70
62
43
43
65

Low Clouds (% Sky Obscured)

0
20
34
43
38
39
44
42
37
30
44
41
35
33
30
36
38
54
39
21
14
9
0
8

Medium Clouds (% Sky Obscured)

10
4
3
3
0
0
6
12
24
29
32
35
33
32
34
33
28
40
31
15
19
0
16
21

High Clouds (% Sky Obscured)

18
2
2
2
2
2
2
3
2
5
13
66
70
79
85
63
32
48
66
59
61
32
30
65

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
1
3
11
11
6
5
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)

3
3
2
2
2
2
2
2
3
4
4
3
3
4
3
3
4
5
6
5
5
4
3
3

Chance of Frost

Temperature (°C)

14
13
13
13
13
12
13
13
15
17
18
20
22
23
24
25
25
25
25
24
23
22
20
19

Feels Like (°C)

15
15
15
14
14
14
15
15
17
19
20
22
23
23
24
24
24
24
24
23
23
23
20
20

Dew Point (°C)

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

Relative Humidity (%)

83
86
87
90
90
92
92
89
79
69
59
50
44
39
35
33
31
31
32
35
38
47
56
60

Pressure (mb)

1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1018
1018
1017
1016
1016
1015
1014
1014
1014
1014
1013

Ozone (du)

322
321
322
323
322
323
324
324
325
325
325
324
324
324
324
324
324
325
324
323
323
324
326
327

Saturday 25

Waxing Gibbous 88%

19:33

01:17

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

Sun - Rise: 05:51, Set: 21:40, Transit: 13:46. Moon - Rise: 19:33, Set: 01:17. Civil Dark: 22:23 - 05:08. Nautical Dark: 23:23 - 04:08. Astro Dark: 01:21 - 02:21

Total Clouds (% Sky Obscured)

70
70
52
59
56
51
44
49
60
88
65
75
86
82
38
42
99
91
89
83
89
95
100
99

Low Clouds (% Sky Obscured)

7
15
18
25
26
30
35
36
32
28
20
21
32
30
15
0
2
0
0
0
0
0
0
8

Medium Clouds (% Sky Obscured)

24
28
28
32
30
14
1
2
16
44
28
31
31
81
38
42
17
22
59
65
87
90
91
93

High Clouds (% Sky Obscured)

68
70
2
1
1
1
1
2
1
15
20
15
15
20
20
42
99
85
6
20
47
72
100
74

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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
0
0
0
0
12

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)

3
2
3
4
5
5
5
6
8
10
10
10
12
12
12
13
12
12
13
11
9
6
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
11
11
10
10
11
10
9
9
9
9
9
6
6
5
5
5
6
10

Relative Humidity (%)

64
66
66
67
68
69
73
69
59
52
49
42
36
35
36
36
34
28
28
31
33
36
40
56

Pressure (mb)

1013
1013
1012
1011
1011
1010
1010
1010
1009
1009
1008
1008
1008
1007
1007
1007
1007
1006
1006
1006
1005
1005
1005
1005

Ozone (du)

328
328
327
327
327
328
329
330
329
327
330
333
334
334
334
333
332
336
334
329
326
324
320
321

Sunday 26

Waxing Gibbous 93%

20:23

02:00

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
23 Bad

Sun - Rise: 05:52, Set: 21:39, Transit: 13:46. Moon - Rise: 20:23, Set: 02:00. Civil Dark: 22:22 - 05:10. Nautical Dark: 23:21 - 04:10. Astro Dark: 01:10 - 02:29

Total Clouds (% Sky Obscured)

99
98
96
95
93
84
77
71
77
83
91
85
79
71
81
88
79
89
80
74
76
79
75
65

Low Clouds (% Sky Obscured)

19
58
79
75
71
67
66
67
69
68
68
68
71
71
66
57
23
46
37
38
40
46
44
34

Medium Clouds (% Sky Obscured)

96
97
96
94
93
84
77
70
73
81
89
78
17
14
21
29
36
31
40
40
46
52
54
45

High Clouds (% Sky Obscured)

47
21
19
17
19
20
25
30
35
0
0
0
0
0
0
3
2
1
2
0
28
57
75
60

ISS Passover

Visibility (miles)

9
9
9
9
3
2
2
5
9
9
4
3
7
8
9
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

26
38
63
86
95
95
95
82
37
57
84
62
60
41
50
34
15
11
5
3
38
61
84
87

Precipitation Amount (mm)

0
0
0.2
0.4
0.8
1.6
0.7
0.4
0
0.2
0.8
0.3
0.3
0
0
0
0
0
0
0
0
0.2
0.5
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
18
17
17
17
17
17
18
18
19
19
20
20
20
20
20
20
19
20
20
19
18
18

Dew Point (°C)

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

Relative Humidity (%)

74
79
82
86
93
98
98
98
98
96
96
96
96
96
93
91
80
59
58
60
65
73
83
89

Pressure (mb)

1005
1005
1004
1004
1004
1004
1004
1004
1005
1005
1005
1006
1006
1006
1007
1007
1007
1008
1008
1008
1009
1009
1009
1009

Ozone (du)

321
323
324
326
331
331
332
337
347
354
355
357
358
358
359
357
355
354
351
349
344
341
340
338

Monday 27

Waxing Gibbous 95%

21:01

02:56

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

Sun - Rise: 05:54, Set: 21:37, Transit: 13:46. Moon - Rise: 21:01, Set: 02:56. Civil Dark: 22:20 - 05:11. Nautical Dark: 23:19 - 04:13. Astro Dark: 01:02 - 02:37

Total Clouds (% Sky Obscured)

60
59
54
52
41
58
68
69
65
60
52
56
56
83
75
67
59
43
35
29
27
34
45
39

Low Clouds (% Sky Obscured)

26
33
36
44
40
58
66
67
63
56
47
44
43
74
70
64
59
43
35
29
27
31
27
18

Medium Clouds (% Sky Obscured)

39
29
19
10
0
0
0
0
2
3
4
11
18
25
20
10
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

30
0
0
0
0
0
0
0
2
2
4
9
5
2
1
1
1
12
21
27
27
33
38
26

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

Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
83
63
42
7
8
4
2
18
24
6
15
8
3
3
3
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.6
0.4
0.2
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
5
6
6
7
7
8
9
9
8
8
8
9
8
8
8
8
8
8
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
17
16
17
16
16
15
16
17
18
20
23
24
25
22
22
22
22
22
21
22
20
19
19

Dew Point (°C)

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

Relative Humidity (%)

90
90
89
87
87
90
89
85
81
76
70
60
51
45
45
45
46
48
49
52
56
63
71
81

Pressure (mb)

1010
1010
1010
1011
1012
1012
1013
1013
1014
1015
1016
1016
1017
1017
1018
1018
1019
1019
1019
1020
1020
1021
1021
1022

Ozone (du)

336
334
333
332
332
331
332
332
331
330
331
331
331
330
330
329
328
327
326
326
326
325
325
325

Tuesday 28

Waxing Gibbous 97%

21:28

04:03

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

Sun - Rise: 05:55, Set: 21:36, Transit: 13:46. Moon - Rise: 21:28, Set: 04:03. Civil Dark: 22:18 - 05:13. Nautical Dark: 23:16 - 04:15. Astro Dark: 00:55 - 02:43

Total Clouds (% Sky Obscured)

35
31
41
50
48
44
31
30
20
33
42
47
55
53
65
70
75
81
79
77
73
69
65
59

Low Clouds (% Sky Obscured)

9
2
5
9
9
6
5
6
2
2
3
4
5
10
12
17
26
13
10
3
2
1
0
0

Medium Clouds (% Sky Obscured)

2
5
8
10
16
24
25
25
20
30
42
47
42
30
31
33
32
19
9
0
2
4
4
2

High Clouds (% Sky Obscured)

13
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
26
52
74
71
69
65
59

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)

4
3
3
4
4
4
4
4
5
6
6
7
7
7
8
7
7
6
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

15
15
14
14
14
14
15
16
17
19
21
23
24
25
26
27
27
28
27
27
26
24
22
21

Feels Like (°C)

18
17
16
15
15
16
15
15
15
20
20
20
20
22
22
28
28
27
27
28
28
26
26
26

Dew Point (°C)

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

Relative Humidity (%)

83
84
87
87
86
87
80
74
68
60
52
47
42
38
34
33
31
29
32
36
39
43
47
52

Pressure (mb)

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

Ozone (du)

324
324
324
324
325
325
325
325
324
324
324
324
324
324
323
323
323
323
323
323
323
323
323
323

Wednesday 29

Full Moon 100%

21:48

05:17

Sun - Rise: 05:57, Set: 21:34, Transit: 13:46. Moon - Rise: 21:48, Set: 05:17. Civil Dark: 22:16 - 05:15. Nautical Dark: 23:14 - 04:17. Astro Dark: 00:48 - 02:49

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 23/07/26 00:06:10. Forecast: 23/07/26 to 29/07/26. Timezone: UTC+2.00