Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Gibbous 87%

16:30

03:26

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

Sun - Rise: 04:59, Set: 20:51, Transit: 12:55. Moon - Rise: 16:30, Set: 03:26. Civil Dark: 21:34 - 04:16. Nautical Dark: 22:33 - 03:17. Astro Dark: 00:20 - 01:20

Total Clouds (% Sky Obscured)

27
30
38
49
59
57
29
30
29
28
25
35
43
51
31
47
17
0
2
2
2
2
2
2

Low Clouds (% Sky Obscured)

21
41
59
65
63
56
27
36
38
35
33
31
44
27
7
29
19
0
1
2
1
1
2
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
5
0
0
0
0
20
16
21
20
22
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
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
3
9
9
9
5
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
3
11
14
18
12
9
23
33
30
14
15
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
4
4
4
5
5
6
7
8
8
9
9
8
9
10
9
9
7
5
6
6
6
5
5

Chance of Frost

Temperature (°C)

11
11
10
10
11
12
14
16
18
19
20
20
21
21
21
20
19
18
16
15
14
13
12
11

Feels Like (°C)

12
11
10
11
11
13
15
16
18
18
20
20
20
20
19
19
19
19
17
16
14
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
93
87
76
66
61
53
50
53
49
47
52
62
69
79
89
92
92
89
88
84

Pressure (mb)

1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

392
393
395
396
397
398
396
396
396
393
391
391
393
394
395
395
395
395
395
395
395
395
395
396

Monday 20

Waxing Gibbous 93%

17:42

03:36

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

Sun - Rise: 04:58, Set: 20:52, Transit: 12:55. Moon - Rise: 17:42, Set: 03:36. Civil Dark: 21:35 - 04:15. Nautical Dark: 22:36 - 03:14. Astro Dark: 00:30 - 01:00

Total Clouds (% Sky Obscured)

7
27
42
41
37
27
29
31
64
66
71
65
61
50
48
29
17
21
32
30
24
25
34
66

Low Clouds (% Sky Obscured)

5
31
52
50
44
35
37
32
38
40
46
39
50
47
47
14
22
0
0
0
0
0
4
29

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
27
40
38
35
7
9
8
19
0
19
32
30
21
24
26
14

High Clouds (% Sky Obscured)

3
2
2
2
0
0
0
3
9
5
43
27
4
2
0
0
0
0
0
0
0
0
3
75

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
1
1
3
9
9
1
0
0
0
0
0
1
1
3
5

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
5
6
6
8
9
9
9
10
10
10
10
10
10
10
10
10
9
7
7
6
6
5
5

Chance of Frost

Temperature (°C)

10
10
9
9
10
11
13
15
16
17
18
19
19
19
19
18
17
16
14
13
12
11
10
10

Feels Like (°C)

10
9
9
8
9
10
12
14
15
16
17
17
18
17
18
17
16
15
14
13
12
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

83
82
82
84
80
76
72
67
63
58
55
54
55
59
60
65
71
74
79
79
80
80
80
81

Pressure (mb)

1015
1015
1014
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1012
1012
1011
1011
1011
1012
1012
1011
1011
1011
1011

Ozone (du)

396
396
396
395
394
394
394
394
394
394
395
395
395
397
399
400
401
401
400
401
399
399
401
401

Tuesday 21

Waxing Gibbous 97%

18:57

03:47

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 04:57, Set: 20:54, Transit: 12:55. Moon - Rise: 18:57, Set: 03:47. Civil Dark: 21:37 - 04:13. Nautical Dark: 22:38 - 03:12. Astro Dark: 00:50 - N/A

Total Clouds (% Sky Obscured)

71
73
82
75
65
68
88
92
91
96
100
95
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
41
58
58
54
60
80
85
84
83
78
59
46
85
52
18
19
20
15
15
15
15
16
13

Medium Clouds (% Sky Obscured)

7
10
51
45
45
37
45
45
60
58
83
76
78
99
100
100
100
100
100
97
87
88
76
65

High Clouds (% Sky Obscured)

73
75
71
67
70
65
60
57
66
87
100
89
100
100
100
100
100
100
100
100
100
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
8
8
8
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

2
0
0
0
0
0
0
0
0
1
1
23
40
69
79
81
66
47
41
38
44
41
28
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
10
11
12
13
15
17
18
18
19
19
19
19
18
17
17
16
15
15
14
14
14

Feels Like (°C)

8
8
8
8
8
10
12
13
15
17
17
18
19
19
19
19
17
17
16
15
14
14
14
13

Dew Point (°C)

7
7
7
8
8
9
10
11
12
13
13
14
15
16
17
17
17
16
16
15
14
14
14
13

Relative Humidity (%)

82
85
85
85
83
80
79
76
75
73
72
75
77
80
86
92
96
95
96
96
96
98
98
96

Pressure (mb)

1010
1010
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1007

Ozone (du)

399
397
397
395
396
397
398
398
398
397
394
393
391
390
390
389
386
384
384
384
386
385
384
385

Wednesday 22

Waxing Gibbous 100%

20:15

04:01

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 04:55, Set: 20:55, Transit: 12:55. Moon - Rise: 20:15, Set: 04:01. Civil Dark: 21:39 - 04:12. Nautical Dark: 22:40 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
70
71
77
65
53

Low Clouds (% Sky Obscured)

14
32
43
57
62
67
71
70
67
62
59
64
40
47
52
49
58
65
67
68
73
81
73
67

Medium Clouds (% Sky Obscured)

54
69
86
86
100
100
100
100
100
100
100
100
100
100
100
100
100
100
63
51
42
38
35
31

High Clouds (% Sky Obscured)

100
100
100
98
100
94
64
100
100
100
100
50
50
99
96
49
90
79
77
25
6
0
17
33

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
5
4
7
5
9
8
9
7
5
9
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

22
19
14
9
35
32
39
77
88
88
95
95
95
95
95
95
95
84
61
70
56
25
35
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.5
0.6
0.6
0.9
1.3
1.9
1.1
1
1.7
1.2
0.4
0
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
12
13
12
13
13
13
13
14
14
13
14
14
14
14
14
14
13
13
14
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
93
89
92
95
92
92
80
62
66
79
85
90
93
95
96
96
96
96

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1007
1008

Ozone (du)

385
386
386
385
384
385
385
386
386
385
383
383
381
377
373
371
370
365
362
361
364
367
370
370

Thursday 23

Full Moon 100%

21:34

04:20

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 04:54, Set: 20:56, Transit: 12:55. Moon - Rise: 21:34, Set: 04:20. Civil Dark: 21:40 - 04:11. Nautical Dark: 22:43 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

52
54
57
49
55
63
58
60
71
83
85
93
96
79
62
60
66
68
77
73
68
61
69
78

Low Clouds (% Sky Obscured)

66
73
74
72
73
83
81
81
84
89
90
93
95
79
61
56
80
85
90
95
95
90
75
75

Medium Clouds (% Sky Obscured)

27
28
34
38
40
38
36
42
44
50
46
42
35
36
33
35
40
29
17
18
19
22
36
52

High Clouds (% Sky Obscured)

55
54
58
61
60
51
45
54
56
55
36
20
0
0
0
3
21
37
53
49
51
52
63
76

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 (%)

14
28
32
19
30
31
36
34
36
31
30
27
28
24
22
11
39
29
9
23
25
5
20
21

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)

9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
9
8
7
7
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
95
92
84
75
67
63
59
58
57
61
62
59
56
62
68
75
81
83
84
89
89

Pressure (mb)

1008
1007
1008
1008
1008
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013

Ozone (du)

368
367
367
369
371
374
376
376
378
378
380
382
385
387
386
386
383
382
381
379
380
380
380
381

Friday 24

Waning Gibbous 98%

22:49

04:48

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 04:53, Set: 20:58, Transit: 12:55. Moon - Rise: 22:49, Set: 04:48. Civil Dark: 21:42 - 04:09. Nautical Dark: 22:45 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

86
74
63
55
53
56
58
72
85
100
100
100
99
99
100
100
87
74
61
60
58
51
57
63

Low Clouds (% Sky Obscured)

80
80
75
75
80
80
80
82
79
81
86
90
97
82
67
51
47
45
43
45
47
41
42
41

Medium Clouds (% Sky Obscured)

70
75
70
66
61
50
50
43
42
36
56
77
98
98
98
99
76
51
28
18
12
5
10
17

High Clouds (% Sky Obscured)

84
65
44
22
29
35
42
60
77
96
95
93
90
97
98
100
81
61
39
30
21
12
8
4

ISS Passover

Visibility (miles)

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

7
19
22
13
21
24
14
24
25
25
26
27
28
31
33
36
30
25
17
13
7
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
5
4
4
4
4
3
3
3
3
4
4
4
5
4
4
5
5
4
4
3
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
90
87
83
74
67
60
56
52
49
53
59
64
71
75
80
84
89
93
92
90
87
89

Pressure (mb)

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

Ozone (du)

381
382
382
382
383
383
384
385
385
384
384
384
384
384
383
383
382
382
382
382
383
383
384
385

Saturday 25

Waning Gibbous 96%

23:54

05:28

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 OK
19 Bad
20 Bad
21 Bad
22 OK
23 OK
00 OK

Sun - Rise: 04:52, Set: 20:59, Transit: 12:56. Moon - Rise: 23:54, Set: 05:28. Civil Dark: 21:43 - 04:08. Nautical Dark: 22:47 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
77
82
81
88
91
91
74
58
48
54
55
51
48
42
37
42
50
50
40
27
11

Low Clouds (% Sky Obscured)

50
50
50
55
66
75
82
67
53
39
44
49
53
49
42
37
34
39
40
30
19
11

Medium Clouds (% Sky Obscured)

24
20
17
13
9
4
0
9
15
23
17
9
0
0
0
0
0
0
0
0
0
0

High 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

ISS Passover

Visibility (miles)

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

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 (%)

0
0
0
0
5
5
1
16
23
29
26
24
24
24
22
16
16
13
2
3
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

Wind Speed/Direction (mph)

1
2
2
2
2
2
2
3
4
5
6
7
7
8
7
7
7
6
5
5
4
4

Chance of Frost

Temperature (°C)

12
12
12
13
13
14
16
17
18
18
19
19
19
20
19
18
17
16
15
14
13
13

Feels Like (°C)

13
12
12
13
13
13
14
15
15
16
16
20
20
19
20
20
20
16
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
89
89
82
75
68
68
69
69
65
63
61
64
69
72
77
82
86
89
93

Pressure (mb)

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

Ozone (du)

386
386
384
382
380
378
377
376
375
375
375
375
376
376
375
374
373
374
375
376
377
378

Forecast for Upminster, Greater London, United Kingdom (51.56,0.25)

Generated: 19/05/24 03:56:00. Forecast: 19/05/24 to 25/05/24. Timezone: UTC+1.00