Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 29

Waning Gibbous 88%

18:20

11:35

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

63
71
78
96
98
98
92
38
36
34
28
48
57
16
25
48
64
40
53
73
59
51
49
57

Low Clouds (% Sky Obscured)

22
22
27
27
36
42
36
29
30
24
21
18
22
11
2
29
63
40
53
52
39
48
49
53

Medium Clouds (% Sky Obscured)

38
57
78
45
63
40
63
3
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

63
71
78
82
80
89
84
6
2
7
2
35
35
2
25
40
35
40
30
30
30
11
4
12

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
2
20
35
100
100
97
98
7
1
0
0
0
0
0
0
0
0
8
12
83
100
100

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
1
0
0
0
1
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
3
2
3
3
3
3
3
3
4
5
5
5
4
3
3
4
5
5
5
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
93
91
85
79
74
69
67
66
66
73
75
77
79
83
85
90
91
91
91

Pressure (mb)

1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

265
264
265
265
265
266
266
267
266
265
264
263
262
262
259
258
259
259
259
258
258
258
257
257

Friday 30

Waning Gibbous 79%

19:34

12:35

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

Sun - Rise: 06:52, Set: 16:36, Transit: 11:44. Moon - Rise: 19:34, Set: 12:35. Civil Dark: 17:11 - 06:17. Nautical Dark: 17:51 - 05:37. Astro Dark: 18:29 - 04:58

Total Clouds (% Sky Obscured)

66
67
50
45
52
57
46
64
63
62
65
66
63
58
37
36
42
63
85
86
89
81
56
57

Low Clouds (% Sky Obscured)

47
39
32
33
28
27
27
34
33
26
27
33
30
24
6
7
22
31
54
50
53
46
55
56

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0

High Clouds (% Sky Obscured)

29
40
21
16
30
38
27
40
55
60
50
50
40
40
37
30
14
25
25
25
25
29
3
9

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 (%)

100
95
96
95
92
86
98
98
98
14
1
0
0
0
0
0
0
1
2
2
2
2
2
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
8
8
8
8
8
8
7
8
8
8
9
8
9
9
9
9
9
9

Relative Humidity (%)

91
93
95
95
95
95
93
85
76
71
67
62
61
66
71
79
85
88
91
93
93
93
93
93

Pressure (mb)

1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1029
1029
1029
1029
1029
1030
1030
1030
1030
1031
1031
1031
1031
1031

Ozone (du)

256
254
254
255
255
255
256
256
256
255
255
255
256
258
259
260
260
260
261
261
261
261
262
263

Saturday 31

Waning Gibbous 69%

20:59

13:16

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

Sun - Rise: 06:54, Set: 16:34, Transit: 11:44. Moon - Rise: 20:59, Set: 13:16. Civil Dark: 17:09 - 06:19. Nautical Dark: 17:49 - 05:39. Astro Dark: 18:28 - 05:00

Total Clouds (% Sky Obscured)

57
55
56
70
73
47
54
70
60
55
51
49
47
37
37
57
63
61
71
61
63
46
49
40

Low Clouds (% Sky Obscured)

55
53
50
56
66
45
54
65
60
55
51
49
47
37
37
53
54
55
59
47
52
36
34
35

Medium 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
0
0

High Clouds (% Sky Obscured)

6
7
6
27
18
5
7
21
6
4
3
3
3
3
7
22
28
16
30
36
14
22
29
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
9
9

Fog (%)

2
1
1
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
95
93
93
93
87
79
71
66
63
62
65
71
77
83
84
87
85
85
85
87
87

Pressure (mb)

1031
1031
1031
1031
1031
1031
1032
1032
1032
1032
1032
1032
1031
1031
1032
1032
1032
1033
1033
1033
1033
1034
1033
1033

Ozone (du)

263
262
262
263
264
264
265
265
265
265
265
264
263
263
264
263
263
263
263
263
264
265
265
265

Sunday 1

Third Quarter 57%

22:27

13:44

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:56, Set: 16:32, Transit: 11:44. Moon - Rise: 22:27, Set: 13:44. Civil Dark: 17:08 - 06:20. Nautical Dark: 17:47 - 05:41. Astro Dark: 18:26 - 05:02

Total Clouds (% Sky Obscured)

38
41
39
44
45
48
50
51
54
60
59
84
88
91
96
86
73
72
75
78
77
77
68
55

Low Clouds (% Sky Obscured)

38
41
39
44
45
48
50
51
54
60
50
49
50
69
86
77
63
56
58
60
58
60
53
47

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
13
20
28
31
30
24
18
16
19
26
29
32
25
17
12
6

High Clouds (% Sky Obscured)

3
9
3
7
7
9
6
20
39
60
47
26
3
1
1
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
16
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
3
3
4
4
4
4
5
7
8
8
9
10
9
10
10
9
10
10
11
11
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
90
91
91
91
90
82
72
66
68
76
81
90
90
84
85
88
88
90
91
95
95
95

Pressure (mb)

1033
1033
1033
1033
1033
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1035
1035
1035
1036
1036
1036
1036
1036
1036

Ozone (du)

265
264
264
265
266
267
268
269
270
270
270
271
274
276
277
279
281
284
287
288
286
285
286
285

Monday 2

Waning Crescent 46%

23:52

14:04

02 Bad
03 OK
04 OK
05 OK
06 OK
07 OK
08 Bad
09 OK
10 OK
11 OK
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

Sun - Rise: 06:57, Set: 16:30, Transit: 11:44. Moon - Rise: 23:52, Set: 14:04. Civil Dark: 17:06 - 06:22. Nautical Dark: 17:46 - 05:42. Astro Dark: 18:25 - 05:03

Total Clouds (% Sky Obscured)

44
37
32
29
34
41
48
40
33
38
49
63
77
74
71
71
83
78
75
75
75
74
77
80

Low Clouds (% Sky Obscured)

39
31
27
24
31
40
48
40
33
38
48
61
73
72
69
71
82
73
63
63
65
66
75
80

Medium Clouds (% Sky Obscured)

0
1
1
2
1
0
0
0
0
0
0
0
0
0
0
0
3
5
6
4
2
1
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
1
2
5
10
12
14
15

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

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
94
94
94
93
94
93
85
77
71
66
60
58
58
58
67
72
78
85
93
93
93
93
95

Pressure (mb)

1037
1037
1037
1037
1037
1037
1038
1038
1038
1038
1038
1037
1037
1037
1037
1037
1038
1037
1037
1037
1037
1036
1036
1036

Ozone (du)

282
282
286
287
288
290
291
290
289
291
291
290
290
290
291
291
292
295
298
301
299
298
297
297

Tuesday 3

Waning Crescent 34%

01:14

14:19

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
00 Bad
01 Bad

Sun - Rise: 06:59, Set: 16:29, Transit: 11:44. Moon - Rise: 01:14, Set: 14:19. Civil Dark: 17:04 - 06:24. Nautical Dark: 17:44 - 05:44. Astro Dark: 18:23 - 05:05

Total Clouds (% Sky Obscured)

83
82
83
84
83
83
83
82
81
80
82
83
82
79
75
68
61
58
56
66
77
87
70
53

Low Clouds (% Sky Obscured)

83
82
83
82
82
80
75
70
65
61
65
68
71
69
64
62
61
58
56
66
77
87
70
53

Medium 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
0
0

High Clouds (% Sky Obscured)

14
11
11
14
32
47
65
70
80
80
82
83
82
79
75
68
53
36
32
28
37
39
30
19

ISS Passover

Visibility (miles)

9
9
6
3
0
3
6
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 (%)

12
11
11
10
9
7
1
5
5
2
5
7
8
8
6
2
7
7
3
8
10
10
13
13

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
8
8
8
8
8
8
8
8
7
7
7
7
7
6
7
7
7
7
7
8
8

Relative Humidity (%)

93
93
95
96
98
95
93
91
85
80
76
75
75
75
76
78
80
84
87
90
91
93
95
95

Pressure (mb)

1036
1036
1036
1036
1036
1036
1036
1037
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1037
1037
1037
1037
1036
1036

Ozone (du)

296
296
295
294
294
294
295
296
296
297
298
297
296
295
294
293
292
293
293
293
292
292
291
292

Wednesday 4

Waning Crescent 24%

No Rise

14:31

Sun - Rise: 07:01, Set: 16:27, Transit: 11:44. Moon - Rise: No Rise, Set: 14:31. Civil Dark: 17:03 - 06:25. Nautical Dark: 17:43 - 05:45. Astro Dark: 18:22 - 05:06

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 29/10/26 02:15:17. Forecast: 29/10/26 to 04/11/26. Timezone: UTC+0.00