Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 87%

16:33

04:06

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
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:40, Set: 17:50, Transit: 12:45. Moon - Rise: 16:33, Set: 04:06. Civil Dark: 18:24 - 07:05. Nautical Dark: 19:03 - 06:26. Astro Dark: 19:42 - 05:47

Total Clouds (% Sky Obscured)

52
63
71
78
70
80
75
68
100
100
100
99
100
100
100
100
100
96
96
92
89
86
91
58

Low Clouds (% Sky Obscured)

52
63
71
78
60
73
64
51
80
96
100
89
90
97
90
91
100
91
94
89
83
85
74
58

Medium Clouds (% Sky Obscured)

52
63
71
60
23
14
16
40
81
100
47
66
71
100
98
100
100
93
56
47
47
40
45
31

High Clouds (% Sky Obscured)

52
63
71
78
6
0
0
68
82
48
64
93
97
100
98
100
66
23
1
2
1
0
2
2

ISS Passover

Visibility (miles)

6
3
2
2
9
9
9
9
9
2
9
6
9
9
9
6
8
8
9
9
9
9
9
4

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

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

Precipitation Probability (%)

95
95
95
95
74
45
61
67
95
95
95
91
58
48
95
95
95
66
63
40
29
31
54
64

Precipitation Amount (mm)

3.2
3.5
4.2
2.3
0.3
0
0.4
0.2
1.5
1.7
0.5
0.4
0
0
0.5
1.1
0.5
0.2
0.3
0
0
0
0.3
0.4

Wind Speed/Direction (mph)

8
9
10
12
17
15
15
15
15
14
14
10
8
7
8
13
20
22
23
23
23
24
23
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
7
8
7
8
8
7
7
7
6
7
8
9
9
8
5
3
1
1
1
-0
0
0

Dew Point (°C)

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

Relative Humidity (%)

82
91
93
95
84
84
87
76
79
88
87
85
87
88
86
87
87
88
85
85
88
87
87
87

Pressure (mb)

1004
1002
1000
998
996
995
993
992
990
989
988
987
988
988
990
991
993
995
997
998
1000
1002
1004
1006

Ozone (du)

295
295
296
301
302
304
306
310
308
305
308
307
305
304
306
304
307
310
313
314
313
316
320
322

Friday 23

Waxing Gibbous 94%

16:46

05:26

22 Bad
23 Bad
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
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:41, Set: 17:48, Transit: 12:44. Moon - Rise: 16:46, Set: 05:26. Civil Dark: 18:22 - 07:07. Nautical Dark: 19:01 - 06:28. Astro Dark: 19:40 - 05:49

Total Clouds (% Sky Obscured)

38
38
37
45
45
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
38
23
4
3
0
3
2
3
2
16
29
86
80
74
91
92
95
95
96
97
94
95
83

Medium Clouds (% Sky Obscured)

36
38
37
45
1
0
35
29
53
74
67
100
100
100
100
100
100
100
100
100
100
100
100
95

High Clouds (% Sky Obscured)

2
2
1
6
34
88
100
100
100
100
100
100
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
6
4
2
2
2
2
6
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

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

Precipitation Probability (%)

13
2
0
0
0
0
0
0
0
0
3
15
39
51
69
91
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
1.2
2.1
4.1
3.7
3.5
1.9
1.1
1.2

Wind Speed/Direction (mph)

22
21
19
18
17
15
13
11
10
9
8
8
9
10
12
13
15
17
18
19
18
16
19
19

Chance of Frost

Temperature (°C)

7
7
7
6
6
6
6
5
6
6
6
7
8
9
10
10
10
11
12
12
13
14
15
16

Feels Like (°C)

-1
-2
-2
-1
-1
0
-1
0
1
2
2
3
4
5
5
5
5
5
6
6
6
9
10
10

Dew Point (°C)

5
3
2
1
1
1
1
2
2
3
4
4
5
5
5
6
8
9
10
11
12
13
14
14

Relative Humidity (%)

85
78
71
70
69
71
72
78
79
81
84
82
79
78
74
76
85
88
90
92
92
93
92
92

Pressure (mb)

1007
1008
1010
1011
1011
1012
1012
1012
1012
1012
1012
1011
1011
1009
1008
1006
1003
1000
998
995
993
991
990
990

Ozone (du)

323
329
334
332
327
325
322
317
314
312
310
307
303
300
296
293
292
289
287
285
284
285
285
283

Saturday 24

Waxing Gibbous 98%

16:00

05:50

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

Sun - Rise: 06:43, Set: 16:45, Transit: 11:44. Moon - Rise: 16:00, Set: 05:50. Civil Dark: 17:20 - 06:09. Nautical Dark: 17:59 - 05:29. Astro Dark: 18:38 - 04:50

Total Clouds (% Sky Obscured)

100
91
74
63
62
45
21
20
29
17
42
63
69
48
42
59
19
2
2
11
26
40
58
53

Low Clouds (% Sky Obscured)

99
79
74
13
12
14
15
17
23
16
42
63
67
48
42
51
19
1
2
11
8
3
2
2

Medium Clouds (% Sky Obscured)

100
88
74
63
62
39
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
8

High Clouds (% Sky Obscured)

100
64
45
44
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
40
58
53

ISS Passover

Visibility (miles)

5
2
7
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

Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
52
0
0
0
0
0
0
0
0
0
2
3
5
11
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.4
1.6
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)

22
20
20
19
20
20
19
20
20
20
19
20
21
21
22
21
21
19
17
15
13
12
12
12

Chance of Frost

Temperature (°C)

15
13
12
10
10
10
10
10
9
9
9
10
11
11
12
12
12
11
11
10
9
9
8
8

Feels Like (°C)

9
7
5
3
3
3
4
4
3
3
3
3
3
4
5
6
5
6
6
5
6
6
5
5

Dew Point (°C)

14
12
10
6
5
5
5
5
4
3
3
4
5
5
5
5
5
4
4
3
3
4
3
2

Relative Humidity (%)

92
92
84
73
73
74
74
72
69
66
64
65
66
66
65
63
64
60
61
63
66
69
69
68

Pressure (mb)

990
990
991
992
992
993
993
994
995
997
998
1000
1001
1002
1003
1004
1006
1007
1008
1009
1010
1011
1012
1012

Ozone (du)

283
281
280
281
283
286
286
286
287
288
291
294
299
302
305
307
306
305
302
299
297
293
290
288

Sunday 25

Waxing Gibbous 100%

16:19

07:17

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
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:45, Set: 16:44, Transit: 11:44. Moon - Rise: 16:19, Set: 07:17. Civil Dark: 17:18 - 06:10. Nautical Dark: 17:58 - 05:31. Astro Dark: 18:36 - 04:52

Total Clouds (% Sky Obscured)

53
53
74
99
99
99
100
95
100
100
100
100
100
100
100
100
100
90
81
71
75
80
84
90

Low Clouds (% Sky Obscured)

2
2
5
12
10
17
23
68
80
58
41
45
53
63
96
99
100
90
81
71
75
80
84
90

Medium Clouds (% Sky Obscured)

16
20
27
30
34
67
39
38
52
98
83
99
99
99
97
95
93
82
71
60
60
60
26
7

High Clouds (% Sky Obscured)

53
53
71
95
93
94
95
57
89
99
100
100
100
100
100
100
100
80
60
45
40
45
50
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
4
3
5
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
1
3
1
2
1
3
10
33
44
49
64
85
95
95
95
95
64
11
18
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
1.2
1.7
1.1
1
0.2
0
0
0

Wind Speed/Direction (mph)

11
11
11
9
9
8
8
7
7
7
7
7
8
10
12
13
13
13
14
16
18
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
3
3
4
4
4
5
5
5
5
5
4
4
4
5
6
7
9
11
12
14
14
14
14

Relative Humidity (%)

68
70
73
79
79
82
85
84
82
81
78
73
68
66
69
70
73
83
90
92
95
93
93
92

Pressure (mb)

1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1011
1010
1009
1008
1006
1006
1005
1005
1004
1004
1004

Ozone (du)

286
285
282
280
281
280
279
278
277
276
275
275
275
275
276
275
272
270
267
265
264
263
262
263

Monday 26

Full Moon 99%

16:46

08:48

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 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 Good
21 Good

Sun - Rise: 06:47, Set: 16:42, Transit: 11:44. Moon - Rise: 16:46, Set: 08:48. Civil Dark: 17:16 - 06:12. Nautical Dark: 17:56 - 05:33. Astro Dark: 18:35 - 04:54

Total Clouds (% Sky Obscured)

96
100
81
53
100
100
100
100
100
100
100
95
91
86
71
54
37
29
20
14
14
12
8
7

Low Clouds (% Sky Obscured)

96
100
77
45
100
95
91
87
88
86
83
81
80
77
63
50
36
29
20
14
13
12
8
4

Medium Clouds (% Sky Obscured)

13
20
25
30
35
39
38
33
38
34
65
90
83
75
58
45
27
17
9
0
0
0
0
1

High Clouds (% Sky Obscured)

6
3
4
4
4
11
10
20
38
48
84
60
17
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

28
7
8
16
30
64
80
87
74
86
95
95
78
58
41
25
8
14
13
6
6
5
1
3

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.5
0.7
0.4
0.4
1.7
0.7
0.4
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
85
83
86
86
85
86
83
86
86
92
83
86
81
77
75
72
73
74
76
77
80
81

Pressure (mb)

1003
1003
1003
1002
1002
1001
1001
1002
1002
1002
1002
1003
1005
1006
1006
1007
1008
1009
1011
1012
1014
1015
1016
1018

Ozone (du)

264
264
264
263
261
261
261
262
264
265
266
268
271
275
279
286
292
299
299
300
300
300
301
301

Tuesday 27

Waning Gibbous 95%

17:24

10:17

22 Good
23 Good
00 Good
01 Good
02 OK
03 OK
04 OK
05 OK
06 OK
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

Sun - Rise: 06:49, Set: 16:40, Transit: 11:44. Moon - Rise: 17:24, Set: 10:17. Civil Dark: 17:15 - 06:14. Nautical Dark: 17:54 - 05:34. Astro Dark: 18:33 - 04:55

Total Clouds (% Sky Obscured)

7
7
11
15
19
22
27
34
42
53
63
60
61
66
63
58
51
66
82
98
98
97
97
97

Low Clouds (% Sky Obscured)

3
2
3
3
4
6
8
16
11
7
3
6
9
13
13
19
26
43
59
74
60
56
53
50

Medium Clouds (% Sky Obscured)

1
2
2
3
4
4
3
2
5
9
12
14
20
22
19
9
1
3
4
6
20
33
46
47

High Clouds (% Sky Obscured)

2
3
4
5
6
9
11
14
26
34
40
24
15
14
12
10
9
35
60
85
78
75
70
77

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
84
82
81
81
81
82
82
81
78
77
73
71
68
69
69
70
71
74
74
76
80
83

Pressure (mb)

1018
1019
1020
1021
1021
1022
1022
1023
1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1027
1027
1028
1028
1028
1029

Ozone (du)

298
295
292
290
287
285
281
277
274
273
272
271
271
270
269
269
268
268
267
267
267
267
266
266

Wednesday 28

Waning Gibbous 88%

18:20

11:35

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

Sun - Rise: 06:50, Set: 16:38, Transit: 11:44. Moon - Rise: 18:20, Set: 11:35. Civil Dark: 17:13 - 06:15. Nautical Dark: 17:52 - 05:36. Astro Dark: 18:31 - 04:57

Total Clouds (% Sky Obscured)

97
96
97
98
100
100
100
100
94
86
72
63
68
82
76
71
65
64
66
70

Low Clouds (% Sky Obscured)

41
22
16
10
9
7
8
10
9
9
10
11
15
17
34
53
65
60
53
45

Medium Clouds (% Sky Obscured)

47
49
64
80
96
88
81
74
65
56
44
51
64
74
52
34
16
24
28
33

High Clouds (% Sky Obscured)

84
89
91
91
93
94
94
93
77
62
48
58
62
69
51
33
16
20
25
30

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
1
0
2
0
0
0
4
11

Precipitation Amount (mm)

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
3
3
4
5
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
10
8
8
8
8
8
7
8
8
8
9
9
10
13
12
12
12
13

Dew Point (°C)

9
9
9
8
8
8
8
8
8
8
8
8
8
9
9
9
8
8
8
8

Relative Humidity (%)

84
87
88
88
90
90
91
91
91
88
87
84
79
74
70
68
67
64
68
72

Pressure (mb)

1029
1029
1029
1029
1029
1029
1028
1028
1028
1029
1029
1029
1029
1028
1028
1028
1027
1027
1027
1026

Ozone (du)

265
265
265
265
266
266
266
266
266
267
268
268
268
268
267
267
267
267
266
265

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

Generated: 22/10/26 22:55:45. Forecast: 22/10/26 to 28/10/26. Timezone: UTC+1.00