Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Gibbous 69%

16:25

01:09

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

Sun - Rise: 04:42, Set: 21:23, Transit: 13:03. Moon - Rise: 16:25, Set: 01:09. Civil Dark: 22:12 - 03:54. Nautical Dark: 23:28 - 02:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
2
2
0
0
2
3
3
5
23
6
11
0
0
0
1
2
0
0
6
13
11
5
20

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
22
6
11
0
0
0
0
0
0
0
4
11
10
4
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
11

High Clouds (% Sky Obscured)

1
2
2
0
0
2
3
3
2
0
0
0
0
0
0
1
2
0
0
2
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
1
0
0
1
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)

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

Chance of Frost

Temperature (°C)

31
29
27
26
24
23
23
22
21
21
20
21
23
24
26
27
29
30
31
32
32
32
32
31

Feels Like (°C)

33
31
29
27
26
25
25
25
25
23
23
25
26
27
29
30
31
33
34
35
35
35
34
33

Dew Point (°C)

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

Relative Humidity (%)

54
66
71
70
69
71
71
73
72
71
76
85
81
73
66
62
58
54
50
47
46
46
50
55

Pressure (mb)

1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

313
312
312
312
314
315
315
315
316
316
315
315
314
316
317
319
320
321
323
324
327
329
331
329

Wednesday 24

Waxing Gibbous 78%

17:39

01:24

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

Sun - Rise: 04:43, Set: 21:24, Transit: 13:03. Moon - Rise: 17:39, Set: 01:24. Civil Dark: 22:12 - 03:55. Nautical Dark: 23:28 - 02:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

8
23
5
6
31
45
52
51
30
40
39
32
25
23
20
19
16
3
0
3
8
3
1
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
2
0
0
18
26
23
5
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

5
13
5
6
26
38
41
44
28
27
20
13
17
21
17
15
16
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
2
0
0
0
3
6
3
1
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)

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

Chance of Frost

Temperature (°C)

30
28
26
24
23
22
20
19
19
18
18
18
20
22
24
26
28
30
31
32
32
32
32
31

Feels Like (°C)

32
31
29
27
26
24
23
21
21
20
19
19
21
23
24
27
29
30
32
32
33
32
31
31

Dew Point (°C)

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

Relative Humidity (%)

63
71
79
85
89
92
93
91
86
86
88
83
75
66
60
55
52
50
48
47
47
47
49
51

Pressure (mb)

1018
1018
1019
1019
1019
1020
1020
1020
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1016
1016
1016
1015
1015

Ozone (du)

327
324
323
323
322
322
322
322
323
323
321
320
318
317
318
318
318
318
319
320
320
321
322
321

Thursday 25

Waxing Gibbous 85%

18:52

01:42

19 Good
20 Good
21 OK
22 OK
23 OK
00 OK
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

Sun - Rise: 04:43, Set: 21:24, Transit: 13:03. Moon - Rise: 18:52, Set: 01:42. Civil Dark: 22:12 - 03:55. Nautical Dark: 23:28 - 02:39. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
39
25
14
43
100
80
89
90
70
100
73
48
83
59
53
63
49
60
28
34
40
42

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)

0
0
0
0
0
0
0
11
12
0
23
18
24
33
41
30
45
55
35
35
2
0
0
0

High Clouds (% Sky Obscured)

0
0
36
25
14
33
100
68
75
87
69
100
56
30
57
51
4
6
15
26
28
34
40
42

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
4
4
9
5
4
3
10
17
21
15
7
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)

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

Chance of Frost

Temperature (°C)

29
28
26
24
23
23
22
22
22
22
21
22
24
26
29
30
31
33
34
34
35
35
34
33

Feels Like (°C)

30
29
26
24
23
23
21
23
23
23
22
23
24
27
30
30
31
32
33
34
35
35
34
33

Dew Point (°C)

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

Relative Humidity (%)

57
65
69
70
70
72
73
74
78
81
83
81
74
65
56
47
39
35
36
35
32
32
32
36

Pressure (mb)

1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1012
1012
1012
1012
1011
1011
1011
1011
1011
1012
1012

Ozone (du)

321
320
319
318
318
319
319
318
317
315
316
316
315
315
314
314
318
319
318
318
318
315
313
312

Friday 26

Waxing Gibbous 91%

No Rise

02:08

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

Sun - Rise: 04:44, Set: 21:23, Transit: 13:04. Moon - Rise: No Rise, Set: 02:08. Civil Dark: 22:12 - 03:56. Nautical Dark: 23:28 - 02:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

61
32
25
20
13
19
16
55
43
49
49
53
60
96
96
100
100
100
71
52
25
44
59
70

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
12
26
34
22
11
0
0
0
0
3
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
1
2
5
8
19
13
44
21
23
29
35
31
50
6
41
45
52
23
9
2
10
20
29

High Clouds (% Sky Obscured)

61
32
25
20
13
0
16
40
43
43
21
6
24
77
95
100
100
86
69
51
25
44
58
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
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
4
2
0
14
17
4
18
21
7
4
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)

11
8
7
7
6
5
5
5
4
4
4
4
4
5
5
6
9
8
7
9
10
11
13
14

Chance of Frost

Temperature (°C)

32
30
28
26
24
23
22
21
21
20
20
21
22
23
25
26
27
28
29
30
30
30
29
28

Feels Like (°C)

32
30
29
28
27
25
24
23
22
22
22
23
24
25
25
26
26
27
29
29
29
30
28
27

Dew Point (°C)

18
18
19
19
19
18
17
17
17
16
16
16
15
14
13
13
13
14
14
12
12
12
11
11

Relative Humidity (%)

43
50
59
66
70
73
75
77
80
78
79
74
65
55
49
43
41
41
38
34
32
32
32
35

Pressure (mb)

1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1014
1015
1014
1014
1013
1013
1012
1012
1012

Ozone (du)

313
312
312
313
315
316
315
313
312
312
314
313
313
311
312
312
312
312
312
313
313
313
313
313

Saturday 27

Waxing Gibbous 96%

20:00

02:43

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 04:44, Set: 21:23, Transit: 13:04. Moon - Rise: 20:00, Set: 02:43. Civil Dark: 22:11 - 03:56. Nautical Dark: 23:27 - 02:41. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

76
92
88
93
96
89
97
93
90
89
89
89
90
79
73
64
56
49
52
55
65
77
86
97

Low Clouds (% Sky Obscured)

0
0
0
11
21
32
32
35
34
45
39
37
13
15
16
33
54
49
52
51
41
36
30
24

Medium Clouds (% Sky Obscured)

41
75
61
56
61
61
64
72
73
37
12
2
2
1
0
0
0
0
0
0
0
3
6
9

High Clouds (% Sky Obscured)

60
80
77
84
92
74
88
73
50
45
35
35
75
56
37
33
24
12
14
24
35
53
73
91

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
12
16
4
9
1
8
19
15
11
8
0
0
0
0
2
5
2
4
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
46
47
57
59
60
66
76
85
86
85
82
77
70
62
56
53
50
48
44
40
36
39
42

Pressure (mb)

1012
1012
1012
1013
1013
1013
1013
1013
1014
1014
1015
1015
1016
1018
1018
1019
1019
1019
1019
1019
1019
1019
1020
1020

Ozone (du)

313
312
313
313
311
316
318
320
324
328
331
331
332
331
330
330
331
333
334
336
337
339
341
343

Sunday 28

Waxing Gibbous 99%

20:58

03:30

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 04:45, Set: 21:23, Transit: 13:04. Moon - Rise: 20:58, Set: 03:30. Civil Dark: 22:11 - 03:57. Nautical Dark: 23:27 - 02:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

87
78
69
80
90
100
86
71
58
45
33
21
37
52
68
79
88
98
95
93
92
95
97
99

Low Clouds (% Sky Obscured)

19
13
7
6
7
6
6
7
8
9
11
13
25
37
49
39
29
19
14
10
5
7
6
8

Medium Clouds (% Sky Obscured)

19
28
34
27
23
21
31
43
56
38
20
1
1
0
0
18
38
57
45
35
22
23
29
35

High Clouds (% Sky Obscured)

77
61
44
62
81
100
77
49
24
23
17
10
22
35
52
60
68
76
78
81
85
79
72
66

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)

14
12
10
9
9
8
8
8
8
9
8
8
8
8
8
8
8
8
8
9
9
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
18
18
18
18
17
16
11
12
12
12
11
11
15
15
16
16
15
15
22
21
20
20
21

Dew Point (°C)

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

Relative Humidity (%)

45
49
53
58
63
68
73
78
83
89
87
85
85
77
71
66
54
45
38
35
33
30
32
35

Pressure (mb)

1020
1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024

Ozone (du)

344
345
345
345
347
348
350
352
353
354
353
352
350
345
341
336
334
332
329
327
325
322
322
322

Monday 29

Waxing Gibbous 100%

21:44

04:30

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 04:46, Set: 21:23, Transit: 13:04. Moon - Rise: 21:44, Set: 04:30. Civil Dark: 22:11 - 03:58. Nautical Dark: 23:26 - 02:43. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

83
67
52
51
51
50
65
82
96
97
99
100
100
99
99
99
100
100

Low Clouds (% Sky Obscured)

6
4
1
3
5
6
26
44
58
59
64
70
67
50
39
38
36
39

Medium Clouds (% Sky Obscured)

34
28
23
20
18
15
31
45
61
74
87
100
90
81
72
81
90
99

High Clouds (% Sky Obscured)

58
47
39
40
41
41
46
64
76
75
69
60
69
78
88
91
92
94

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
2
2
10
13
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
18
18
18
17
17
16
11
12
12
12
12
12
14
14
14
15
14

Dew Point (°C)

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

Relative Humidity (%)

37
42
47
53
57
60
63
63
61
61
56
53
49
49
49
49
50
51

Pressure (mb)

1024
1024
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

322
323
323
323
323
324
324
325
326
327
327
327
328
327
327
327
328
328

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 23/06/26 19:36:47. Forecast: 23/06/26 to 29/06/26. Timezone: UTC+1.00