Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 30

Waxing Gibbous 100%

21:05

04:07

15 OK
16 OK
17 Good
18 Good
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

Sun - Rise: 04:49, Set: 21:11, Transit: 13:00. Moon - Rise: 21:05, Set: 04:07. Civil Dark: 21:57 - 04:02. Nautical Dark: 23:06 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

22
36
2
4
99
100
100
100
100
81
61
58
87
100
97
95
92
50
74
75
78
82
52
82

Low Clouds (% Sky Obscured)

0
0
0
0
4
0
0
0
0
0
0
0
39
58
63
67
35
38
57
54
46
38
25
34

Medium Clouds (% Sky Obscured)

22
11
0
0
2
3
27
63
98
81
61
32
24
31
31
24
13
33
74
75
78
82
52
77

High Clouds (% Sky Obscured)

22
19
2
4
94
100
100
100
100
50
39
0
52
100
91
87
90
50
56
57
7
41
52
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
2
3
2
0
0
0
0
0
0
0
2
12
4
1
16
18

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

Chance of Frost

Temperature (°C)

26
26
25
25
24
22
20
18
17
16
16
15
14
13
13
14
15
16
18
19
20
21
21
21

Feels Like (°C)

25
26
25
26
24
22
20
17
16
15
14
13
14
12
11
12
12
13
15
16
17
18
17
19

Dew Point (°C)

17
17
16
17
19
19
17
15
14
13
13
12
13
11
10
10
11
13
14
14
14
14
14
15

Relative Humidity (%)

57
56
57
62
73
79
80
81
79
79
83
86
92
86
82
78
78
79
77
72
69
64
62
66

Pressure (mb)

1018
1018
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1016

Ozone (du)

336
339
341
339
338
339
341
344
349
355
363
370
358
354
351
349
348
349
351
353
356
357
358
361

Sunday 31

Full Moon 99%

22:11

04:45

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

Sun - Rise: 04:48, Set: 21:12, Transit: 13:01. Moon - Rise: 22:11, Set: 04:45. Civil Dark: 21:59 - 04:01. Nautical Dark: 23:08 - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
93
69
64
62
74
28
46
0
0
29
29
95
80
56
69
98
98
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

42
73
56
59
59
14
0
22
0
0
0
0
0
0
0
53
47
0
15
42
57
62
72
79

Medium Clouds (% Sky Obscured)

24
34
31
29
24
28
12
15
0
0
0
3
12
4
18
0
72
96
77
66
98
98
86
98

High Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
12
14
46
42
33
59
59
92
80
85
99
100
100
100

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
Very Light Rain

Precipitation Probability (%)

21
31
13
21
20
12
0
0
0
0
0
0
0
0
0
0
0
0
1
2
19
41
52
67

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
22
22
21
20
18
17
16
14
13
12
11
10
10
11
12
14
15
16
17
17
17
17

Feels Like (°C)

18
20
20
20
20
20
17
17
16
14
13
13
11
10
10
10
10
12
13
14
15
15
14
14

Dew Point (°C)

15
16
17
15
16
17
16
16
15
14
13
11
11
10
10
10
11
12
14
11
12
12
10
9

Relative Humidity (%)

65
66
73
66
75
84
86
95
93
96
96
95
96
96
96
98
93
89
89
71
71
70
62
59

Pressure (mb)

1016
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1014
1013
1012

Ozone (du)

366
368
361
355
350
346
344
344
342
342
340
338
337
336
336
336
335
335
333
333
333
333
334
333

Monday 1

Waning Gibbous 97%

23:06

05:36

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 04:47, Set: 21:13, Transit: 13:01. Moon - Rise: 23:06, Set: 05:36. Civil Dark: 22:00 - 04:00. Nautical Dark: 23:10 - 02:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
80
78
83
82
92
100
100
100

Low Clouds (% Sky Obscured)

88
84
76
80
92
92
78
96
93
84
95
78
56
59
63
62
58
60
71
60
65
67
61
58

Medium Clouds (% Sky Obscured)

100
100
100
100
93
86
100
100
100
100
100
87
80
97
84
82
80
62
40
30
17
39
70
62

High Clouds (% Sky Obscured)

100
100
100
100
100
75
100
100
100
100
100
100
100
100
100
100
45
11
5
56
52
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
8
2
1
0
0
1
0
2
9
9
9
9
9
7
5
3
2

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

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

Precipitation Probability (%)

70
73
66
57
35
56
86
95
95
92
95
93
95
95
78
21
20
54
67
79
95
95
95
95

Precipitation Amount (mm)

0.3
0.4
0.3
0.4
0
0.3
0.5
1
0.7
0.3
0.3
0.3
1.5
1
0.7
0
0
0
0.3
0.3
0.7
1
1.1
0.9

Wind Speed/Direction (mph)

14
11
11
11
11
11
11
10
11
11
9
9
8
9
7
8
8
9
9
10
10
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
12
13
13
13
13
13
13
12
12
13
13
12
13
12
13
13
14
16
15
15
15
16

Dew Point (°C)

8
12
11
11
12
13
14
14
15
14
14
14
14
14
13
13
13
13
13
13
13
14
14
15

Relative Humidity (%)

60
80
76
78
80
83
92
96
98
98
96
98
98
96
98
96
95
87
85
78
73
78
82
82

Pressure (mb)

1012
1011
1011
1010
1009
1009
1008
1007
1007
1006
1006
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

334
334
335
336
341
342
343
345
347
347
350
356
361
362
367
375
382
383
386
383
382
383
385
386

Tuesday 2

Waning Gibbous 93%

23:48

06:39

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

Sun - Rise: 04:46, Set: 21:14, Transit: 13:01. Moon - Rise: 23:48, Set: 06:39. Civil Dark: 22:01 - 03:59. Nautical Dark: 23:12 - 02:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
97
88
64
53
52
44
40
38
35
37
40
79
73
76
84
93
95
98
100
100
100

Low Clouds (% Sky Obscured)

47
38
32
26
31
36
45
41
33
26
33
35
37
40
46
45
57
69
72
77
73
69
79
89

Medium Clouds (% Sky Obscured)

92
87
72
43
27
19
11
17
24
30
29
28
22
14
7
1
7
14
25
71
63
88
90
89

High Clouds (% Sky Obscured)

100
100
100
97
68
31
0
0
0
0
0
0
2
6
33
48
52
51
50
67
80
76
95
94

ISS Passover

Visibility (miles)

9
8
6
4
5
6
9
9
9
9
9
9
9
9
6
0
4
9
9
9
6
6
7
5

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

Precipitation Probability (%)

86
81
85
87
80
51
33
27
15
0
0
1
0
0
0
0
0
0
3
40
91
82
81
78

Precipitation Amount (mm)

0.6
0.5
0.5
0.5
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.5
0.3
0.5

Wind Speed/Direction (mph)

11
11
11
11
10
8
6
6
7
7
8
8
8
8
8
9
10
10
12
13
13
13
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
81
82
86
87
90
95
95
95
96
96
96
98
98
98
100
96
92
83
74
85
95
96
96

Pressure (mb)

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

Ozone (du)

386
387
388
387
386
384
379
383
377
373
368
362
360
357
356
355
354
354
356
358
359
359
367
373

Wednesday 3

Waning Gibbous 88%

00:19

07:50

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 04:46, Set: 21:15, Transit: 13:01. Moon - Rise: 00:19, Set: 07:50. Civil Dark: 22:02 - 03:58. Nautical Dark: 23:14 - 02:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
98
91
73
62
51
59
61
51
57
64
70
76
86
92
100
94
88
76
78
88
100
93
87

Low Clouds (% Sky Obscured)

100
94
83
64
55
51
41
46
51
57
62
61
63
64
63
64
62
63
64
62
60
58
50
43

Medium Clouds (% Sky Obscured)

31
24
32
37
31
18
45
43
2
0
3
6
8
29
49
65
29
11
0
12
24
40
40
47

High Clouds (% Sky Obscured)

88
56
29
2
1
1
25
20
0
0
0
0
1
50
61
75
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

9
6
8
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

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

Precipitation Probability (%)

63
53
49
49
61
62
40
18
5
1
9
2
4
4
2
12
27
32
37
42
48
52
42
30

Precipitation Amount (mm)

0.3
0.2
0
0.2
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
93
89
82
82
82
82
82
89
92
89
81
79
81
83
84
84
86
86
78
72
67
61

Pressure (mb)

1003
1002
1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1003
1003
1004
1004
1005
1005
1006

Ozone (du)

383
385
390
393
396
398
399
400
398
396
398
396
396
395
396
396
395
396
397
398
399
400
401
399

Thursday 4

Waning Gibbous 81%

00:41

09:05

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 04:45, Set: 21:16, Transit: 13:01. Moon - Rise: 00:41, Set: 09:05. Civil Dark: 22:04 - 03:58. Nautical Dark: 23:16 - 02:44. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

80
86
91
97
98
95
85
86
91
95
96
98
99
99
100
100
100
100
100
100
100
100
99
97

Low Clouds (% Sky Obscured)

37
43
47
51
36
20
3
16
28
41
47
45
54
60
62
64
67
69
72
64
51
41
25
17

Medium Clouds (% Sky Obscured)

43
52
54
46
38
24
20
21
21
27
59
81
96
97
99
100
100
100
100
98
96
94
76
60

High Clouds (% Sky Obscured)

1
1
0
0
23
50
80
86
91
95
69
39
10
43
73
100
100
100
100
92
84
73
44
22

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

10
11
12
12
9
5
0
7
11
14
25
32
38
38
38
38
49
56
61
71
80
86
78
65

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.3
0.4
0.5
0.4
0.2

Wind Speed/Direction (mph)

19
19
18
17
16
14
12
10
9
9
8
7
7
7
7
7
8
9
10
12
13
14
16
16

Chance of Frost

Temperature (°C)

17
17
17
16
16
14
13
11
11
10
9
9
9
9
10
10
11
11
12
12
13
14
15
16

Feels Like (°C)

13
11
12
12
13
10
10
11
10
10
10
6
6
6
6
6
5
9
9
9
9
9
10
11

Dew Point (°C)

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

Relative Humidity (%)

57
52
57
62
68
71
75
79
83
88
93
90
88
87
88
90
90
91
95
96
95
96
95
90

Pressure (mb)

1006
1006
1007
1007
1008
1008
1009
1009
1009
1009
1009
1008
1008
1008
1008
1007
1007
1006
1005
1005
1004
1004
1003
1003

Ozone (du)

397
396
389
382
374
373
371
370
368
366
365
364
363
362
358
354
349
350
351
352
354
356
358
367

Friday 5

Waning Gibbous 72%

00:58

10:21

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

Sun - Rise: 04:44, Set: 21:17, Transit: 13:01. Moon - Rise: 00:58, Set: 10:21. Civil Dark: 22:05 - 03:57. Nautical Dark: 23:18 - 02:43. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
71
45
19
26
33
41
35
35
35
51
71
86
60
34
9
26
45
58
64
69
74

Low Clouds (% Sky Obscured)

9
11
12
17
24
31
38
35
35
34
42
49
61
53
34
9
17
20
23
44
61
74

Medium Clouds (% Sky Obscured)

40
21
10
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
1
2
4

High Clouds (% Sky Obscured)

0
0
0
0
7
11
15
12
7
2
1
0
0
0
0
1
1
1
2
4
4
4

ISS Passover

Visibility (miles)

7
5
7
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

45
45
41
31
26
20
15
17
15
11
10
10
7
6
4
2
1
1
0
8
10
11

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

Wind Speed/Direction (mph)

18
19
19
19
19
17
16
16
18
19
22
20
19
17
16
14
13
13
13
14
13
11

Chance of Frost

Temperature (°C)

17
17
17
16
15
15
14
14
13
12
11
11
10
10
10
10
10
12
13
14
15
15

Feels Like (°C)

11
10
11
13
14
9
9
8
8
8
8
4
4
3
4
3
4
6
7
8
9
9

Dew Point (°C)

14
14
14
13
12
12
11
10
9
8
7
6
6
5
6
6
7
8
8
9
9
9

Relative Humidity (%)

86
82
82
81
82
82
80
80
79
77
76
74
73
71
74
76
78
76
72
70
68
67

Pressure (mb)

1003
1003
1003
1003
1003
1004
1005
1006
1008
1010
1012
1013
1014
1015
1017
1018
1019
1020
1020
1021
1022
1022

Ozone (du)

376
385
385
385
385
386
386
387
387
387
387
384
381
378
379
379
380
377
374
371
367
364

Forecast for Loughton, Milton Keynes, United Kingdom (52.03,-0.77)

Generated: 30/05/26 15:13:12. Forecast: 30/05/26 to 05/06/26. Timezone: UTC+1.00