Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waxing Crescent 27%

10:36

00:47

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

Sun - Rise: 05:18, Set: 22:03, Transit: 13:41. Moon - Rise: 10:36, Set: 00:47. Civil Dark: 22:52 - 04:29. Nautical Dark: 00:11 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
92
98
41
33
16
13
46
53
17
0
38
96
39
35
100
100
100
100
100
95
93

Low Clouds (% Sky Obscured)

43
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

83
56
21
28
47
26
32
14
10
34
37
10
0
22
50
20
17
14
12
27
21
20
13
29

High Clouds (% Sky Obscured)

100
100
83
83
93
10
6
0
0
0
0
4
0
0
87
21
15
100
86
86
91
92
90
86

ISS Passover

Visibility (miles)

2
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
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 (%)

95
95
95
16
10
6
7
4
0
0
0
0
0
0
2
3
1
19
10
0
1
2
9
5

Precipitation Amount (mm)

0.7
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
9
8
5
6
6
5
6
7
7
8
8
9
10
11
10
10
11
9
7
5
4
3

Chance of Frost

Temperature (°C)

21
20
20
20
20
20
20
20
21
22
24
26
28
30
32
32
33
33
33
32
32
29
27
25

Feels Like (°C)

23
21
21
22
22
21
21
22
25
26
29
31
30
33
35
34
32
33
33
35
35
34
31
29

Dew Point (°C)

20
20
20
20
19
19
19
19
20
20
21
22
22
22
22
21
20
20
20
19
20
20
21
20

Relative Humidity (%)

95
96
95
96
95
93
95
95
94
88
83
75
68
62
57
52
47
45
45
45
49
58
66
70

Pressure (mb)

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

Ozone (du)

319
325
326
326
327
327
329
330
331
331
331
329
329
330
328
327
326
326
328
333
335
336
336
336

Friday 19

Waxing Crescent 38%

11:59

01:01

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

Sun - Rise: 05:18, Set: 22:03, Transit: 13:41. Moon - Rise: 11:59, Set: 01:01. Civil Dark: 22:52 - 04:29. Nautical Dark: 00:11 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
67
34
42
41
91
58
30
97
38
60
58
79
57
53
70
32
27
51
38
30
55
73
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
15
31
0
0
29
32
27
26
27
25
6
18
35
26
0

Medium Clouds (% Sky Obscured)

47
0
9
26
21
21
51
30
69
27
5
0
52
15
20
44
7
0
15
8
0
19
43
80

High Clouds (% Sky Obscured)

98
64
22
14
13
80
30
25
79
4
41
58
79
27
8
2
0
0
5
5
10
10
13
81

ISS Passover

Visibility (miles)

9
9
8
9
8
9
9
9
9
5
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 (%)

16
36
7
42
26
28
16
5
39
27
1
0
0
2
5
0
0
0
0
0
0
0
2
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)

2
3
5
5
6
3
4
4
5
4
7
8
9
9
10
10
10
10
10
9
8
8
8
7

Chance of Frost

Temperature (°C)

24
24
22
21
20
20
20
19
20
21
22
23
25
26
27
27
27
27
27
26
25
24
22
20

Feels Like (°C)

29
26
23
23
23
23
21
21
22
22
24
24
25
26
27
26
27
28
27
25
25
23
22
20

Dew Point (°C)

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

Relative Humidity (%)

72
73
83
88
89
89
89
89
86
89
79
61
49
46
44
44
46
48
49
53
60
65
72
80

Pressure (mb)

1014
1014
1014
1014
1015
1014
1014
1015
1015
1016
1017
1018
1018
1019
1019
1020
1020
1020
1021
1021
1022
1022
1023
1023

Ozone (du)

335
334
334
336
334
332
328
327
328
328
328
328
329
328
326
326
325
325
326
326
325
325
325
325

Saturday 20

Waxing Crescent 48%

13:18

01:13

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

Sun - Rise: 05:18, Set: 22:04, Transit: 13:41. Moon - Rise: 13:18, Set: 01:13. Civil Dark: 22:53 - 04:29. Nautical Dark: 00:12 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

74
85
87
75
73
51
32
35
27
8
4
11
17
12
45
55
50
50
30
68
20
17
42
39

Low Clouds (% Sky Obscured)

0
0
0
0
0
7
10
3
0
0
4
6
3
0
13
27
26
28
30
28
20
17
17
13

Medium Clouds (% Sky Obscured)

57
66
66
57
56
41
20
27
27
8
2
11
17
5
45
55
50
47
2
0
0
0
2
2

High Clouds (% Sky Obscured)

1
60
7
5
65
1
1
1
2
0
3
0
8
8
15
25
50
43
1
53
0
1
30
30

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
2
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
7
6
6
6
7
6
6
9
8
8
10
10
10
10
10
10
12
13
11
11
9
10
10

Chance of Frost

Temperature (°C)

19
18
18
17
17
17
16
16
17
18
20
21
23
25
26
27
27
27
28
27
27
26
25
23

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
89
88
89
87
89
87
79
71
61
57
53
48
47
46
47
48
47
49
52
58
64
66

Pressure (mb)

1024
1024
1025
1025
1026
1026
1026
1026
1026
1027
1028
1028
1028
1028
1028
1028
1027
1027
1026
1026
1026
1026
1027
1027

Ozone (du)

327
326
324
322
322
323
323
322
323
326
329
327
328
330
333
332
332
336
337
336
334
333
331
329

Sunday 21

First Quarter 59%

14:34

01:24

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

Sun - Rise: 05:19, Set: 22:04, Transit: 13:41. Moon - Rise: 14:34, Set: 01:24. Civil Dark: 22:53 - 04:30. Nautical Dark: 00:12 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

41
33
20
17
19
26
51
53
71
77
86
100
100
100
100
78
59
39
40
29
32
48
76
77

Low Clouds (% Sky Obscured)

9
4
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)

1
0
0
2
5
8
10
10
12
10
7
4
3
1
0
0
0
14
0
0
0
6
13
18

High Clouds (% Sky Obscured)

40
33
20
17
10
10
42
35
52
68
86
100
100
100
100
76
52
28
31
29
32
48
76
77

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
1
1
1
10
15
26
18
9
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)

10
10
10
10
9
8
8
8
9
9
10
10
10
10
9
10
9
9
9
8
8
6
6
7

Chance of Frost

Temperature (°C)

22
21
19
18
18
17
16
16
17
18
21
23
25
26
28
29
30
30
31
30
30
29
27
25

Feels Like (°C)

20
19
18
17
17
16
16
15
17
18
20
22
23
25
27
29
29
30
30
29
31
31
29
26

Dew Point (°C)

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

Relative Humidity (%)

67
68
70
72
73
74
73
74
74
71
65
60
56
54
54
52
51
53
53
53
54
61
68
74

Pressure (mb)

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

Ozone (du)

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

Monday 22

Waxing Gibbous 69%

15:49

01:35

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

Sun - Rise: 05:19, Set: 22:04, Transit: 13:41. Moon - Rise: 15:49, Set: 01:35. Civil Dark: 22:53 - 04:30. Nautical Dark: 00:12 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

84
73
95
97
98
100
75
45
15
21
27
39
33
31
29
20
20
15
18
32
45
40
35
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
3
5
3
2
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

22
26
30
27
24
22
17
11
5
12
19
24
14
7
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

84
73
79
86
93
100
67
33
0
0
0
5
4
7
11
7
4
0
15
30
45
40
35
30

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
1
1
0
2
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
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
6
6
6
5
5
6
6
6
6
7
7
8
8
9
9
9
9
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
22
22
20
19
18
17
18
19
21
23
26
27
28
30
31
30
30
30
30
30
30
26
25

Dew Point (°C)

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

Relative Humidity (%)

77
78
80
81
84
83
82
80
76
68
62
58
54
50
46
42
41
40
38
42
45
49
54
59

Pressure (mb)

1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019

Ozone (du)

325
325
324
323
322
321
320
321
320
318
316
313
312
310
309
308
307
307
306
306
306
306
306
306

Tuesday 23

Waxing Gibbous 77%

17:04

01:47

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

Sun - Rise: 05:19, Set: 22:04, Transit: 13:42. Moon - Rise: 17:04, Set: 01:47. Civil Dark: 22:53 - 04:30. Nautical Dark: 00:12 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

40
47
55
51
50
46
49
54
61
58
57
56
58
59
57
38
24
11
22
36
50
34
17
3

Low Clouds (% Sky Obscured)

0
0
0
17
30
38
42
42
42
48
51
54
58
55
52
33
15
0
6
11
17
11
6
0

Medium 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

High Clouds (% Sky Obscured)

40
47
55
45
22
0
2
5
10
11
10
7
7
7
7
8
4
1
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
1
1
4
3
3
3
3
0
0
1
0
0
0
0
1
2
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
5
4
4
4
3
3
4
5
6
6
7
8
9
10
11
11
12
12
12
11
11
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
23
23
22
18
18
18
18
18
18
21
20
20
21
21
22
27
27
26
26
26
26
21
21

Dew Point (°C)

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

Relative Humidity (%)

66
67
69
69
73
77
81
73
68
61
56
50
46
44
44
43
43
43
43
47
50
55
56
57

Pressure (mb)

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

Ozone (du)

306
306
307
307
306
306
306
306
307
308
307
307
307
307
308
308
309
309
310
310
310
310
310
310

Wednesday 24

Waxing Gibbous 85%

18:18

02:01

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

Sun - Rise: 05:20, Set: 22:04, Transit: 13:42. Moon - Rise: 18:18, Set: 02:01. Civil Dark: 22:53 - 04:31. Nautical Dark: 00:12 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

2
1
1
1
2
2
10
18
27
23
18
13
28
42
54
51
51
59
48
36
25

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
7
13
23
18
16
12
27
39
50
49
47
48
38
30
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
12
8
3
0

High Clouds (% Sky Obscured)

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

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 (%)

3
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
16
14
14
13
13
14
15
16
18
20
22
23
24
26
26
26
26
25
24

Feels Like (°C)

21
20
19
19
13
13
14
13
13
13
16
16
16
17
17
18
25
24
24
24
24

Dew Point (°C)

9
9
9
9
8
8
7
7
7
7
7
7
7
7
7
7
7
7
7
8
9

Relative Humidity (%)

58
62
65
68
68
68
68
64
60
56
48
43
37
34
31
29
29
29
29
33
38

Pressure (mb)

1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022

Ozone (du)

311
311
312
312
312
312
312
313
314
315
315
315
314
315
315
315
316
318
320
320
319

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

Generated: 18/06/26 23:50:43. Forecast: 18/06/26 to 24/06/26. Timezone: UTC+2.00