Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 24

Waxing Gibbous 80%

18:31

00:46

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

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)

44
40
38
35
35
40
48
51
49
56
72
79
79
41
48
55
60
55
40
40
35
19
20
11

Low Clouds (% Sky Obscured)

20
22
21
27
27
36
45
51
45
48
71
67
64
26
31
30
36
27
28
30
22
12
5
0

Medium Clouds (% Sky Obscured)

5
6
4
4
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

8
2
3
3
2
2
2
5
2
2
4
26
31
15
2
46
22
13
5
6
9
3
14
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
0
1
2
2
4
10
8
6
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
3
3
2
3
3
3
4
4
5
4
4
5
6
6
6
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
13
14
16
17
19
20
21
23
24
24
25
25
25
24
24
22
20
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
92
92
93
92
92
90
80
72
61
57
51
45
39
36
34
35
36
36
38
48
57
66

Pressure (mb)

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

Ozone (du)

323
323
324
325
325
327
327
328
328
328
328
328
329
329
328
328
327
327
327
326
326
326
327
328

Saturday 25

Waxing Gibbous 88%

19:33

01:17

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

9
16
28
51
100
99
98
41
37
37
20
50
47
19
4
26
30
83
79
35
45
81
72
59

Low Clouds (% Sky Obscured)

0
0
0
19
33
27
13
30
30
23
16
20
25
13
2
0
6
0
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
5
5
6
0
10
13
10
15
0
24
25
0
0
0
0
0
0
0
0
38
57
41

High Clouds (% Sky Obscured)

8
15
21
23
100
98
95
2
0
2
0
0
0
0
1
17
17
83
79
35
45
53
50
35

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
5
6
5
7
8
9
9
10
12
12
13
13
13
12
11
9
6
5
4

Chance of Frost

Temperature (°C)

18
17
17
16
16
16
16
16
18
20
22
24
26
26
27
27
27
26
25
24
23
21
19
18

Feels Like (°C)

19
19
19
17
16
14
15
15
18
20
21
23
24
24
25
25
23
23
23
21
20
19
17
17

Dew Point (°C)

13
13
13
12
12
12
12
11
11
10
10
10
9
8
8
8
8
8
7
5
5
7
7
8

Relative Humidity (%)

72
76
77
77
78
75
77
72
62
51
44
39
34
30
30
30
30
30
30
29
31
38
45
49

Pressure (mb)

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

Ozone (du)

329
328
328
327
327
328
331
333
334
334
332
333
336
335
331
330
330
330
329
326
327
327
326
325

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)

97
86
100
100
100
100
100
100
93
97
85
76
81
84
93
90
87
80
88
76
67
81
72
70

Low Clouds (% Sky Obscured)

13
35
62
65
66
56
77
74
74
82
64
41
35
37
63
51
50
68
75
65
45
72
51
66

Medium Clouds (% Sky Obscured)

18
86
90
100
100
100
95
100
73
58
55
49
48
60
79
41
31
44
29
21
25
70
60
63

High Clouds (% Sky Obscured)

93
46
100
100
99
100
100
86
68
85
14
0
81
24
32
81
81
15
5
0
1
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
2
5
38
56
15
49
51
95
95
95
95
91
95
95
95
95
95
46
31
25
14
23

Precipitation Amount (mm)

0
0
0
0
0
0.4
0
0.3
0.3
1.1
1
0.5
0.5
0.3
0.9
1.2
1.1
0.9
0.8
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
16
17
17
17
17
16
17
17
17
18
19
18
17
19
19
18
18
18
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

57
73
76
74
76
82
86
83
73
66
55
42
40
38
38
41
36
39
48
52
56
63
70
78

Pressure (mb)

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

Ozone (du)

324
323
324
324
324
327
329
335
340
343
347
350
350
350
351
350
348
347
346
344
341
339
339
340

Monday 27

Waxing Gibbous 95%

21:01

02:56

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

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)

41
46
35
19
2
22
64
80
53
61
81
81
92
80
71
85
77
64
65
68
45
23
0
8

Low Clouds (% Sky Obscured)

29
44
35
19
2
5
30
30
8
15
39
40
61
38
36
67
63
28
15
3
2
1
0
0

Medium Clouds (% Sky Obscured)

13
46
5
2
0
7
13
20
24
24
24
26
28
30
24
19
16
13
15
13
10
5
0
6

High Clouds (% Sky Obscured)

0
0
0
0
0
1
3
3
2
0
0
0
0
0
1
3
4
25
44
64
42
23
0
0

ISS Passover

Visibility (miles)

9
6
9
6
9
9
5
6
9
7
8
9
9
9
8
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 (%)

26
24
30
15
6
27
30
21
33
33
30
31
23
23
11
3
1
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)

5
4
3
4
3
3
3
2
2
4
4
3
5
7
8
9
11
11
11
9
8
6
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
90
90
95
93
95
96
95
92
85
76
67
62
64
54
44
45
45
47
48
54
67
79
86

Pressure (mb)

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

Ozone (du)

341
340
341
341
342
341
339
337
336
335
335
334
332
333
333
331
330
330
329
328
327
326
325
325

Tuesday 28

Waxing Gibbous 97%

21:28

04:03

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

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)

18
27
39
52
59
54
49
48
45
36
33
43
51
61
55
49
43
58
65
71
53
27
2
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
16
32
48
42
40
32
42
48
52
29
12
0
0

Medium Clouds (% Sky Obscured)

13
21
30
37
46
41
40
39
36
30
28
33
36
39
41
36
31
24
12
7
4
3
1
2

High Clouds (% Sky Obscured)

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

Chance of Frost

Temperature (°C)

16
15
15
15
15
15
15
16
17
20
22
24
26
27
29
29
30
30
29
28
27
25
23
21

Feels Like (°C)

18
17
17
17
17
16
16
17
18
21
22
25
27
28
30
30
30
30
31
31
32
27
26
25

Dew Point (°C)

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

Relative Humidity (%)

89
87
87
89
86
86
84
79
66
52
42
35
31
29
28
27
27
26
30
34
39
45
51
58

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1022
1022

Ozone (du)

323
324
324
324
325
325
326
326
327
328
329
329
330
330
331
331
330
330
329
328
327
326
324
323

Wednesday 29

Full Moon 100%

21:48

05:17

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

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)

2
2
4
5
6
19
22
31
22
37
47
50
54
49
46
37
28
21
12
4
3
2
0
0

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)

2
2
3
3
3
2
1
0
3
6
15
25
36
42
38
33
25
16
12
4
3
2
0
0

High Clouds (% Sky Obscured)

1
1
3
5
6
19
22
31
22
37
47
50
30
0
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
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)

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

Chance of Frost

Temperature (°C)

21
20
20
19
19
19
20
21
22
24
27
29
30
32
33
33
34
34
33
32
31
29
27
25

Feels Like (°C)

24
23
22
19
19
20
19
19
19
24
24
24
24
26
26
35
34
34
35
35
36
31
30
30

Dew Point (°C)

13
12
12
12
12
12
11
11
11
10
9
7
6
6
5
5
4
4
5
5
7
7
8
9

Relative Humidity (%)

60
59
60
62
62
64
58
54
50
39
32
25
22
19
17
16
15
15
16
18
21
25
29
35

Pressure (mb)

1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

323
323
323
323
323
323
323
322
321
321
320
320
319
319
319
316
314
311
311
311
311
310
310
309

Thursday 30

Waning Gibbous 100%

22:03

06:34

Sun - Rise: 05:58, Set: 21:33, Transit: 13:45. Moon - Rise: 22:03, Set: 06:34. Civil Dark: 22:14 - 05:17. Nautical Dark: 23:11 - 04:20. Astro Dark: 00:42 - 02:54

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: 24/07/26 00:57:23. Forecast: 24/07/26 to 30/07/26. Timezone: UTC+2.00