Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Gibbous 78%

01:44

08:23

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: 06:11, Set: 20:14, Transit: 13:13. Moon - Rise: 01:44, Set: 08:23. Civil Dark: 20:49 - 05:36. Nautical Dark: 21:33 - 04:52. Astro Dark: 22:23 - 04:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

87
100
100
100
98
90
91
94
97
95
93
92
96
95
94
91
95
95
90
91
95
91
98
97

Medium Clouds (% Sky Obscured)

96
92
86
95
76
97
100
100
100
100
100
100
100
100
100
87
71
95
100
100
98
100
95
99

High Clouds (% Sky Obscured)

4
13
51
100
100
100
100
100
100
100
100
89
92
73
72
72
100
78
78
100
100
68
100
100

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

100
100
0
0
100
0
0
100
100
100
100
100
100
100
100
100
100
100
100
100
95
95
95
95

Precipitation Amount (mm)

0.4
0.3
0
0
0.2
0
0
0.2
1.4
1.8
1.8
1
0.8
1.7
0.9
0.8
0.5
1.4
2
1.9
2.8
2.3
2.9
1.3

Wind Speed/Direction (mph)

10
11
11
12
14
16
17
20
16
20
20
21
20
20
20
20
21
20
19
18
16
17
17
16

Chance of Frost

Temperature (°C)

9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
11
11
10

Feels Like (°C)

6
7
7
7
6
6
6
5
5
5
5
4
5
5
5
5
5
5
5
6
7
8
7
7

Dew Point (°C)

8
8
9
9
8
9
9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Relative Humidity (%)

90
90
95
92
90
92
90
91
95
96
98
98
98
98
98
99
97
97
100
100
96
98
98
98

Pressure (mb)

1011
1010
1010
1009
1008
1008
1007
1007
1006
1006
1005
1005
1004
1004
1004
1004
1003
1003
1003
1002
1003
1003
1003
1003

Ozone (du)

367
368
369
373
375
375
374
375
377
379
378
380
382
383
381
381
379
378
379
379
381
384
384
385

Saturday 19

Waning Gibbous 69%

02:37

09:21

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: 06:09, Set: 20:16, Transit: 13:13. Moon - Rise: 02:37, Set: 09:21. Civil Dark: 20:51 - 05:34. Nautical Dark: 21:36 - 04:50. Astro Dark: 22:26 - 03:59

Total Clouds (% Sky Obscured)

100
100
100
100
94
98
100
100
100
100
95
99
100
100
100
100
100
100
100
100
100
100
100
52

Low Clouds (% Sky Obscured)

91
94
91
87
88
95
85
90
96
100
90
99
100
100
100
100
100
80
75
59
41
43
30
0

Medium Clouds (% Sky Obscured)

81
93
100
100
73
71
23
45
45
41
34
28
29
35
33
32
40
48
45
44
50
66
74
46

High Clouds (% Sky Obscured)

100
94
100
84
21
0
15
19
2
30
29
44
55
55
45
51
100
84
87
87
100
100
100
14

ISS Passover

Visibility (miles)

4
7
3
1
2
0
0
0
0
0
1
8
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
Light Rain
Light Rain
Light Rain
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
95
79
45
37
31
23
17
14
9
17
3
15
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.8
1.2
1.9
1.1
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
18
18
16
15
12
14
15
16
15
15
14
13
12
11
11
9
8
6
6
7
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
96
98
98
98
98
98
98
98
96
95
95
91
90
90
89
86
83
86
87
84
83
87

Pressure (mb)

1002
1002
1001
1001
1001
1001
1001
1002
1003
1004
1004
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007

Ozone (du)

386
384
383
381
384
384
383
382
382
381
378
379
381
381
379
380
379
377
378
378
378
378
379
380

Sunday 20

Waning Gibbous 59%

03:18

10:31

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

Sun - Rise: 06:07, Set: 20:18, Transit: 13:12. Moon - Rise: 03:18, Set: 10:31. Civil Dark: 20:53 - 05:32. Nautical Dark: 21:38 - 04:47. Astro Dark: 22:29 - 03:56

Total Clouds (% Sky Obscured)

53
85
71
56
54
50
39
46
49
52
64
66
52
48
100
100
100
99
99
100
100
97
100
100

Low Clouds (% Sky Obscured)

1
15
15
15
10
16
4
9
0
5
23
22
4
29
100
100
100
98
98
100
100
93
100
100

Medium Clouds (% Sky Obscured)

45
53
30
18
24
17
16
12
35
12
26
51
23
6
9
11
18
26
38
45
49
44
40
40

High Clouds (% Sky Obscured)

3
0
2
2
14
3
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0
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
2
6
14
2
8
17
6
12
24
33
34
26
34
42

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
7
8
8
8
8
7
7
8
9
8
9
9
7
6
5
4
4
4
3
2
1
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
4
5
4
4
3
3
4
5
6
6
8
8
9
10
10
10
9
9
9
9
8
8

Dew Point (°C)

6
5
4
3
2
1
1
2
3
3
5
6
7
7
8
8
9
9
8
9
9
9
8
9

Relative Humidity (%)

87
85
78
69
68
65
67
75
73
71
74
74
75
78
79
81
81
83
85
90
91
93
93
95

Pressure (mb)

1007
1007
1007
1007
1007
1006
1006
1006
1007
1007
1007
1007
1007
1006
1006
1006
1005
1005
1005
1005
1006
1006
1006
1006

Ozone (du)

380
379
378
377
378
378
377
377
378
380
381
382
381
379
377
374
373
370
366
364
362
361
361
363

Monday 21

Third Quarter 48%

03:49

11:50

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 OK
20 OK
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:05, Set: 20:19, Transit: 13:12. Moon - Rise: 03:49, Set: 11:50. Civil Dark: 20:55 - 05:30. Nautical Dark: 21:40 - 04:45. Astro Dark: 22:31 - 03:53

Total Clouds (% Sky Obscured)

92
92
100
100
100
100
100
100
71
82
82
66
70
79
82
80
67
51
43
32
26
50
60
62

Low Clouds (% Sky Obscured)

92
84
91
95
88
77
86
100
59
55
78
47
47
59
58
69
56
42
43
32
20
6
10
13

Medium Clouds (% Sky Obscured)

44
50
100
100
97
97
75
58
65
65
65
39
33
55
72
51
27
13
0
2
4
37
48
47

High Clouds (% Sky Obscured)

0
0
15
20
25
30
10
80
56
6
4
3
6
13
0
0
0
0
0
4
7
10
7
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

57
64
62
59
47
26
19
9
7
10
23
26
46
43
51
63
51
46
29
11
4
1
0
0

Precipitation Amount (mm)

0.4
0.6
0.5
0.4
0.2
0
0
0
0
0
0
0
0.3
0.2
0.3
0.5
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
1
2
2
4
3
3
2
2
6
8
10
9
10
10
11
13
13
13
12
10
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
95
95
96
93
91
85
79
70
67
67
64
63
63
65
70
75
84
90
90
91

Pressure (mb)

1006
1006
1006
1006
1006
1006
1007
1007
1007
1008
1008
1008
1009
1009
1010
1010
1010
1011
1012
1012
1013
1014
1015
1015

Ozone (du)

364
364
362
361
361
361
363
365
365
366
368
371
375
376
379
381
382
381
383
380
377
376
377
375

Tuesday 22

Waning Crescent 37%

04:11

13:13

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: 06:03, Set: 20:21, Transit: 13:12. Moon - Rise: 04:11, Set: 13:13. Civil Dark: 20:57 - 05:27. Nautical Dark: 21:42 - 04:42. Astro Dark: 22:34 - 03:50

Total Clouds (% Sky Obscured)

60
74
84
93
92
92
93
78
61
54
68
82
94
96
98
100
100
100
100
100
100
100
98
97

Low Clouds (% Sky Obscured)

18
28
30
37
34
27
27
25
26
21
32
49
56
62
65
71
67
81
90
86
80
77
79
74

Medium Clouds (% Sky Obscured)

45
46
51
53
65
80
91
71
61
41
56
69
90
93
96
69
92
99
100
99
99
90
76
86

High Clouds (% Sky Obscured)

0
19
33
48
65
49
24
34
37
35
35
30
32
36
54
36
84
91
100
96
93
89
62
27

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
8
4
3
9
9
8
7
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
2
12
7
4
7
18
28
32
48
55
47
16
19
28
19
32
45
55
54
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
3
3
3
3
3
3
3
3
5
7
9
10
10
10
9
10
11
11
10
9
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
90
90
88
88
90
90
88
83
75
75
89
93
95
93
92
84
90
93
95
95
96
96

Pressure (mb)

1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1017
1017
1016

Ozone (du)

377
378
378
379
380
383
383
382
382
383
385
388
391
389
386
384
379
375
372
370
370
369
366
366

Wednesday 23

Waning Crescent 26%

04:28

14:38

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: 06:01, Set: 20:22, Transit: 13:12. Moon - Rise: 04:28, Set: 14:38. Civil Dark: 20:58 - 05:25. Nautical Dark: 21:44 - 04:40. Astro Dark: 22:37 - 03:47

Total Clouds (% Sky Obscured)

96
97
98
100
96
93
90
89
82
76
75
72
74
73
75
78
80
85
86
81
79
78
66
54

Low Clouds (% Sky Obscured)

72
66
61
54
53
53
52
83
74
66
68
70
72
70
69
72
71
73
72
62
52
42
44
42

Medium Clouds (% Sky Obscured)

90
90
89
79
70
71
68
89
82
76
75
72
74
73
75
65
73
70
72
50
27
10
7
4

High Clouds (% Sky Obscured)

15
41
61
91
81
71
58
18
11
5
7
7
7
15
24
35
25
21
13
4
2
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
8
6
5
4
4
5
6
7
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

38
29
24
18
13
10
6
20
24
26
35
40
47
48
53
58
54
50
48
40
33
30
22
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
98
96
96
96
96
95
93
90
87
86
83
86
87
90
93
93
93
93
95
95
95

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021

Ozone (du)

365
364
364
365
366
368
368
369
371
372
373
375
378
380
379
379
378
378
377
377
377
377
377
379

Thursday 24

Waning Crescent 17%

04:43

16:03

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: 05:59, Set: 20:24, Transit: 13:12. Moon - Rise: 04:43, Set: 16:03. Civil Dark: 21:00 - 05:23. Nautical Dark: 21:46 - 04:37. Astro Dark: 22:39 - 03:44

Total Clouds (% Sky Obscured)

47
51
54
56
69
81
94
92
89
86
81
75
68
71
73
77
79
81
86
89
85
82
75
69

Low Clouds (% Sky Obscured)

41
43
43
43
47
58
65
74
80
82
78
75
68
61
54
47
33
21
8
5
3
1
13
25

Medium Clouds (% Sky Obscured)

1
4
6
7
14
23
50
60
70
75
60
45
29
25
23
21
22
23
25
24
23
27
40
35

High Clouds (% Sky Obscured)

0
0
0
0
13
29
43
36
26
17
13
13
13
23
33
43
50
56
65
37
20
0
0
0

ISS Passover

Visibility (miles)

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

10
11
8
2
2
2
1
7
9
10
17
20
23
28
35
41
43
39
32
30
23
5
8
8

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
5
5
5
4
4
4
4
4
5
6
7
8
8
8
8
7
7
6
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
94
94
93
94
94
93
90
90
83
77
71
71
70
70
75
79
83
85
88
90
91

Pressure (mb)

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

Ozone (du)

381
383
383
382
382
382
383
383
384
385
386
385
384
383
383
382
381
377
373
369
368
367
366
364

Welcome to Clear Outside

Forecast for Alphington, Devon, United Kingdom (50.70,-3.52)

Generated: 18/04/25 20:34:52. Forecast: 18/04/25 to 24/04/25. Timezone: UTC+1.00