Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 19

Waxing Gibbous 59%

16:17

22:59

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: 06:42, Set: 19:05, Transit: 12:54. Moon - Rise: 16:17, Set: 22:59. Civil Dark: 19:39 - 06:09. Nautical Dark: 20:19 - 05:29. Astro Dark: 21:01 - 04:47

Total Clouds (% Sky Obscured)

90
93
93
100
100
100
100
100
96
99
95
96
100
94
100
100
99
100
100
100
96
96
97
100

Low Clouds (% Sky Obscured)

81
84
65
65
45
60
71
76
81
97
91
83
100
79
41
32
20
2
7
55
34
57
62
68

Medium Clouds (% Sky Obscured)

29
56
29
29
39
45
63
38
78
16
26
95
90
81
86
86
97
94
93
100
92
94
93
82

High Clouds (% Sky Obscured)

90
85
93
93
100
100
100
95
49
54
55
50
56
73
92
100
71
100
100
100
35
0
66
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
None

Precipitation Probability (%)

0
0
0
2
1
0
0
0
0
0
3
5
16
16
11
4
4
8
5
1
4
1
3
22

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
80
86
87
85
79
72
64
66
73
72
75
75
77
75
73
70
70
73
72
70
70
72

Pressure (mb)

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

Ozone (du)

293
291
291
291
291
291
291
291
293
294
293
293
291
289
289
289
287
285
285
286
288
289
288
289

Sunday 20

Waxing Gibbous 68%

16:52

00:07

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 Good
21 OK
22 Good
23 Good
00 OK
01 OK
02 Bad

Sun - Rise: 06:44, Set: 19:03, Transit: 12:54. Moon - Rise: 16:52, Set: 00:07. Civil Dark: 19:37 - 06:11. Nautical Dark: 20:16 - 05:31. Astro Dark: 20:58 - 04:49

Total Clouds (% Sky Obscured)

100
100
100
100
81
100
100
100
100
100
99
88
92
100
100
58
32
18
47
9
7
39
36
83

Low Clouds (% Sky Obscured)

75
75
19
23
30
16
23
26
23
19
16
20
11
3
12
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

69
8
0
0
0
30
18
100
100
67
0
2
15
12
14
3
8
3
5
4
4
5
4
8

High Clouds (% Sky Obscured)

100
100
99
100
79
96
100
100
99
100
99
86
92
100
100
58
20
16
35
5
3
26
24
83

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 (%)

37
7
1
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)

9
8
8
7
7
8
11
11
12
12
12
12
11
11
10
8
5
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
12
11
11
11
11
11
11
12
12
12
14
14
14
13
14
13
11
10
11
10
8
8

Dew Point (°C)

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

Relative Humidity (%)

74
78
76
82
87
82
69
59
53
48
42
38
36
36
37
41
48
51
54
56
59
60
63
66

Pressure (mb)

1021
1021
1021
1022
1023
1024
1025
1026
1026
1027
1027
1027
1027
1028
1028
1029
1029
1030
1031
1032
1032
1032
1032
1032

Ozone (du)

290
292
293
293
294
293
290
289
288
287
286
285
286
285
284
284
284
285
286
283
281
279
277
276

Monday 21

Waxing Gibbous 77%

17:17

01:21

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

Sun - Rise: 06:46, Set: 19:01, Transit: 12:53. Moon - Rise: 17:17, Set: 01:21. Civil Dark: 19:34 - 06:12. Nautical Dark: 20:14 - 05:32. Astro Dark: 20:56 - 04:51

Total Clouds (% Sky Obscured)

67
91
96
78
81
65
44
38
27
33
33
40
45
49
49
47
36
32
48
58
64
61
62
57

Low Clouds (% Sky Obscured)

0
0
5
1
1
8
0
1
0
0
14
23
39
44
44
40
33
24
35
41
60
61
51
46

Medium Clouds (% Sky Obscured)

5
5
43
78
81
55
13
10
8
10
10
12
13
13
13
14
7
8
15
18
19
19
22
17

High Clouds (% Sky Obscured)

67
86
88
27
2
5
2
5
1
1
1
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
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)

3
2
2
2
2
2
3
4
6
5
6
6
6
6
6
5
3
2
2
2
2
3
3
2

Chance of Frost

Temperature (°C)

9
9
8
8
9
10
12
14
16
18
19
20
21
21
21
20
19
18
18
17
16
16
16
16

Feels Like (°C)

8
8
6
6
7
8
11
14
15
17
18
19
21
21
21
21
21
20
20
18
18
17
17
17

Dew Point (°C)

4
4
3
3
3
3
3
4
3
3
4
6
8
9
10
11
12
12
11
11
11
11
11
11

Relative Humidity (%)

68
69
69
70
65
61
55
49
41
38
37
38
42
45
48
54
62
65
66
66
68
70
72
74

Pressure (mb)

1032
1032
1032
1032
1033
1033
1033
1033
1033
1032
1032
1032
1031
1031
1030
1030
1030
1031
1031
1031
1031
1031
1030
1030

Ozone (du)

276
275
275
274
275
274
273
272
271
271
271
271
271
271
270
269
269
268
268
267
267
267
268
268

Tuesday 22

Waxing Gibbous 85%

17:36

02:38

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

Sun - Rise: 06:47, Set: 18:58, Transit: 12:53. Moon - Rise: 17:36, Set: 02:38. Civil Dark: 19:32 - 06:14. Nautical Dark: 20:12 - 05:34. Astro Dark: 20:53 - 04:53

Total Clouds (% Sky Obscured)

53
51
46
45
43
42
37
43
52
67
59
72
81
90
91
93
95
98
100
96
93
89
91
93

Low Clouds (% Sky Obscured)

41
39
40
35
33
36
31
34
41
41
38
51
67
84
79
75
73
74
76
81
85
89
89
88

Medium Clouds (% Sky Obscured)

18
13
10
9
8
4
4
3
2
2
3
4
7
9
6
8
8
5
3
7
10
15
19
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
4
1
2
2
19
33
45
71
92
100
84
71
57
36
18

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
2
1
2
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
1
1
1
9
12

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
2
2
2
2
2
2
1
2
3
4
4
4
4
3
2
2
2
3
4
4
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
13
13
13
13
13
12
13
13
13
12
12
12
12
12
11
11
11
11
11
11
11

Relative Humidity (%)

78
82
84
86
87
82
73
67
60
57
54
52
50
50
49
53
54
54
54
58
60
61
63
65

Pressure (mb)

1030
1029
1029
1030
1030
1030
1030
1030
1030
1029
1029
1029
1028
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1025

Ozone (du)

269
269
269
271
272
272
273
274
274
274
274
275
276
277
277
278
278
278
278
280
282
282
284
283

Wednesday 23

Waxing Gibbous 92%

17:51

No Set

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 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:49, Set: 18:56, Transit: 12:53. Moon - Rise: 17:51, Set: No Set. Civil Dark: 19:30 - 06:16. Nautical Dark: 20:09 - 05:36. Astro Dark: 20:50 - 04:55

Total Clouds (% Sky Obscured)

95
96
96
97
98
99
100
99
44
49
47
42
46
36
26
25
75
74
75
78
83
89
86
83

Low Clouds (% Sky Obscured)

86
86
36
40
48
56
38
40
35
29
20
14
8
5
3
0
20
18
20
15
10
7
8
8

Medium Clouds (% Sky Obscured)

16
16
10
13
7
4
5
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

27
70
69
74
82
87
92
69
24
0
0
6
20
25
20
25
33
54
56
59
67
70
62
55

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

Precipitation Probability (%)

8
19
21
22
29
33
35
53
62
58
46
30
17
12
6
0
12
5
1
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
16
16
15
16
17
16
17
19
19
20
19
17
17
17
15
15
15
15
15
15
14
11

Dew Point (°C)

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

Relative Humidity (%)

67
70
71
75
78
77
71
65
60
53
46
40
38
38
41
47
54
62
69
79
83
84
89
90

Pressure (mb)

1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1024
1024
1024
1024
1024

Ozone (du)

281
282
282
282
281
281
281
281
285
289
290
292
294
294
293
293
294
293
293
293
292
292
291
290

Thursday 24

Waxing Gibbous 97%

18:04

03:55

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: 06:51, Set: 18:54, Transit: 12:52. Moon - Rise: 18:04, Set: 03:55. Civil Dark: 19:27 - 06:17. Nautical Dark: 20:07 - 05:38. Astro Dark: 20:48 - 04:57

Total Clouds (% Sky Obscured)

80
84
90
95
82
74
74
80
87
94
93
93
94
97
98
99
97
95
93
92
90
89
83
78

Low Clouds (% Sky Obscured)

12
17
18
19
17
18
18
29
41
54
58
62
64
59
54
48
40
33
27
21
15
7
9
11

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
1
2
6
8
13
13
9
9
5
5
10
10
15
20
25

High Clouds (% Sky Obscured)

43
49
70
95
72
46
24
53
74
90
89
87
82
87
91
95
93
91
86
84
83
80
57
33

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
4
6
8
30
46

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
93
95
87
82
74
69
63
59
55
52
49
55
61
68
73
78
82
83
84
86
87

Pressure (mb)

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

Ozone (du)

288
286
285
285
284
283
282
280
279
279
278
277
276
275
274
274
273
273
273
274
273
273
273
273

Friday 25

Waxing Gibbous 99%

18:16

05:13

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

Sun - Rise: 06:52, Set: 18:51, Transit: 12:52. Moon - Rise: 18:16, Set: 05:13. Civil Dark: 19:25 - 06:19. Nautical Dark: 20:04 - 05:39. Astro Dark: 20:45 - 04:59

Total Clouds (% Sky Obscured)

81
86
86
86
90
90
90
68
51
34
34
34
34
31
25
18
13
7
0
4
7
10

Low Clouds (% Sky Obscured)

17
21
22
26
29
32
34
32
31
24
24
18
17
13
12
8
6
3
0
0
0
0

Medium Clouds (% Sky Obscured)

30
30
30
30
30
25
20
10
5
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

7
30
56
81
81
81
81
54
29
0
0
0
0
0
0
0
0
0
0
2
4
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
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

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

Precipitation Probability (%)

62
87
95
95
95
95
95
95
79
33
19
8
3
4
3
1
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.5
0.8
1
1.2
1.1
1.2
0.8
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
10
8
6
6
6
5
5
5
5
4
4
4
4
3
3
3
2

Relative Humidity (%)

87
87
86
86
86
75
66
56
52
47
43
41
39
37
40
42
45
47
50
53
54
53

Pressure (mb)

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

Ozone (du)

274
274
274
274
274
275
275
275
275
275
274
275
276
276
276
277
277
278
280
281
281
281

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

Generated: 19/09/26 03:07:17. Forecast: 19/09/26 to 25/09/26. Timezone: UTC+1.00