Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 13

Waning Gibbous 50%

22:14

14:06

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

Sun - Rise: 06:33, Set: 19:07, Transit: 12:49. Moon - Rise: 22:14, Set: 14:06. Civil Dark: 19:37 - 06:03. Nautical Dark: 20:12 - 05:28. Astro Dark: 20:48 - 04:52

Total Clouds (% Sky Obscured)

80
66
61
69
51
40
45
37
41
42
36
31
78
97
44
89
79
53
72
44
62
51
60
48

Low Clouds (% Sky Obscured)

38
38
37
41
24
16
22
22
22
24
17
0
38
66
36
69
48
51
69
44
60
41
51
43

Medium Clouds (% Sky Obscured)

38
66
61
69
51
40
45
37
41
42
36
31
56
52
44
31
55
50
11
1
11
38
30
26

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
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
8
4
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
2
2
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
6
13
30
45
47
46
33
5
3
19
20
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
22
23
22
22
21
20
18
16
15
15
14
14
14
15
13
14
13
13
13
15
18
19
21

Feels Like (°C)

18
20
21
21
20
21
21
19
16
15
16
15
15
14
14
15
14
14
14
13
17
19
21
21

Dew Point (°C)

7
9
9
9
11
11
12
13
13
13
13
13
12
12
11
12
12
11
12
12
13
15
15
14

Relative Humidity (%)

42
42
41
43
48
51
58
73
82
86
89
90
90
84
79
89
87
90
93
92
89
83
75
64

Pressure (mb)

1019
1018
1017
1016
1016
1016
1016
1016
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018

Ozone (du)

304
305
306
307
307
308
308
308
308
309
310
310
310
311
311
311
312
314
314
315
314
312
310
310

Sunday 14

Third Quarter 38%

23:12

15:15

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

Sun - Rise: 06:34, Set: 19:05, Transit: 12:49. Moon - Rise: 23:12, Set: 15:15. Civil Dark: 19:35 - 06:04. Nautical Dark: 20:10 - 05:30. Astro Dark: 20:46 - 04:54

Total Clouds (% Sky Obscured)

52
52
51
29
25
69
81
25
25
19
17
25
23
21
20
15
13
9
16
5
62
80
6
5

Low Clouds (% Sky Obscured)

42
42
41
29
25
49
58
25
25
19
17
25
23
21
20
15
13
9
16
0
0
0
0
0

Medium Clouds (% Sky Obscured)

26
20
24
23
0
0
11
15
15
14
0
0
0
0
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
2
4
4
5
4
4
0
4
5
62
80
6
4

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 (%)

27
18
4
2
1
2
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

22
23
24
24
23
23
21
19
16
15
14
13
12
12
11
11
10
9
9
9
12
15
17
19

Feels Like (°C)

22
23
23
23
22
22
20
18
18
16
15
14
12
12
11
11
10
10
9
9
12
14
16
19

Dew Point (°C)

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

Relative Humidity (%)

58
53
49
46
46
51
59
65
78
80
82
83
84
86
87
88
88
90
91
88
77
66
58
50

Pressure (mb)

1018
1017
1017
1017
1017
1018
1018
1019
1020
1021
1022
1022
1022
1023
1023
1023
1024
1024
1025
1025
1026
1026
1027
1026

Ozone (du)

309
307
305
304
301
298
297
295
293
292
292
292
293
293
294
294
292
292
292
293
293
292
292
291

Monday 15

Waning Crescent 28%

00:22

16:11

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

Sun - Rise: 06:35, Set: 19:03, Transit: 12:49. Moon - Rise: 00:22, Set: 16:11. Civil Dark: 19:33 - 06:06. Nautical Dark: 20:08 - 05:31. Astro Dark: 20:44 - 04:55

Total Clouds (% Sky Obscured)

38
31
15
15
18
22
77
76
67
37
14
11
78
55
24
19
20
20
22
7
6
3
0
4

Low Clouds (% Sky Obscured)

24
31
15
15
18
22
17
25
16
20
14
11
36
47
24
19
20
20
22
7
6
3
0
4

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

32
18
2
2
2
8
68
51
50
37
3
0
25
17
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)

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

Chance of Frost

Temperature (°C)

21
22
22
23
23
22
21
17
15
14
13
12
11
11
10
9
9
8
8
8
11
14
18
21

Feels Like (°C)

21
21
23
23
23
23
22
16
14
13
14
13
13
10
11
12
10
10
10
9
13
16
20
22

Dew Point (°C)

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

Relative Humidity (%)

46
42
39
38
38
39
50
61
66
70
75
77
79
78
81
82
84
87
87
87
76
67
58
51

Pressure (mb)

1026
1026
1025
1025
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

292
292
292
293
292
292
291
291
293
294
294
292
291
291
291
291
292
293
293
294
295
295
294
292

Tuesday 16

Waning Crescent 18%

01:36

16:54

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

Sun - Rise: 06:36, Set: 19:01, Transit: 12:48. Moon - Rise: 01:36, Set: 16:54. Civil Dark: 19:31 - 06:07. Nautical Dark: 20:06 - 05:32. Astro Dark: 20:42 - 04:56

Total Clouds (% Sky Obscured)

9
12
13
14
15
10
5
0
0
0
0
7
13
16
10
6
3
3
8
17
42
66
67
53

Low Clouds (% Sky Obscured)

9
12
13
14
15
9
5
0
0
0
0
3
2
3
3
3
3
3
6
7
5
3
0
3

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)

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

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
2
2
2
2
3
3
3
3
3
2
3
3
2
2
2
2
3
3

Chance of Frost

Temperature (°C)

22
23
24
24
24
24
22
18
16
15
14
14
13
13
12
12
11
11
11
12
14
17
20
22

Feels Like (°C)

24
25
26
26
26
25
24
19
18
17
15
15
15
14
14
13
12
12
13
13
15
17
19
21

Dew Point (°C)

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

Relative Humidity (%)

44
40
37
36
36
37
48
60
65
67
68
69
69
71
73
77
79
80
80
79
70
59
51
47

Pressure (mb)

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

Ozone (du)

291
291
292
292
292
292
291
290
288
288
287
287
287
287
286
286
287
286
286
286
286
286
286
285

Wednesday 17

Waning Crescent 11%

02:52

17:26

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

Sun - Rise: 06:37, Set: 19:00, Transit: 12:48. Moon - Rise: 02:52, Set: 17:26. Civil Dark: 19:29 - 06:08. Nautical Dark: 20:04 - 05:34. Astro Dark: 20:39 - 04:58

Total Clouds (% Sky Obscured)

58
63
76
84
86
89
92
97
92
85
81
85
94
100
86
93
98
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

7
14
18
24
29
28
28
26
20
14
9
6
3
0
5
11
20
19
20
31
22
15
0
12

Medium Clouds (% Sky Obscured)

0
0
1
1
1
2
2
4
7
9
12
17
22
61
39
43
46
47
48
39
34
34
34
59

High Clouds (% Sky Obscured)

0
4
5
10
10
41
58
76
66
65
70
80
92
100
75
85
94
95
95
96
97
99
100
99

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
3
3
3
4
4
3
3
4
3
4
4
4
4
4
3
3
3
3
2
2
2
3
3

Chance of Frost

Temperature (°C)

24
25
26
26
26
25
22
19
18
17
16
15
15
15
15
15
15
14
15
16
17
19
22
24

Feels Like (°C)

22
23
24
24
24
23
21
18
17
16
15
14
14
14
14
14
14
13
14
14
14
18
19
20

Dew Point (°C)

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

Relative Humidity (%)

41
38
33
31
32
36
48
56
59
63
68
75
78
78
79
79
80
80
76
74
71
63
57
51

Pressure (mb)

1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1018

Ozone (du)

283
282
282
282
282
283
284
284
285
285
285
285
284
284
284
284
284
285
285
286
286
287
287
287

Thursday 18

Waning Crescent 5%

04:05

17:50

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

Sun - Rise: 06:39, Set: 18:58, Transit: 12:48. Moon - Rise: 04:05, Set: 17:50. Civil Dark: 19:27 - 06:09. Nautical Dark: 20:02 - 05:35. Astro Dark: 20:37 - 04:59

Total Clouds (% Sky Obscured)

100
100
96
92
89
80
71
64
50
48
41
46
41
16
10
9
13
22
32
46
47
51
52
46

Low Clouds (% Sky Obscured)

25
37
41
38
22
9
9
8
7
11
15
17
9
0
10
9
13
22
32
35
32
24
25
17

Medium Clouds (% Sky Obscured)

80
97
90
84
77
68
59
51
38
25
12
9
4
0
5
9
13
17
23
36
37
35
27
16

High Clouds (% Sky Obscured)

99
98
77
57
36
57
71
64
50
48
41
46
41
16
10
9
3
3
5
6
6
8
15
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 (%)

0
0
2
3
2
2
1
0
0
0
0
0
0
0
0
0
0
3
4
3
10
14
15
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)

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

Chance of Frost

Temperature (°C)

25
26
27
27
27
26
24
22
20
19
18
17
17
16
16
16
15
15
16
17
17
20
23
25

Feels Like (°C)

21
22
23
27
26
26
26
26
27
18
19
19
19
19
19
17
17
18
17
17
17
20
20
21

Dew Point (°C)

13
13
13
13
13
13
14
14
14
14
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Relative Humidity (%)

48
44
42
43
43
44
51
60
69
71
72
74
77
79
81
83
83
85
81
77
73
62
53
45

Pressure (mb)

1018
1017
1017
1016
1016
1015
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

287
287
287
288
289
289
289
289
290
289
289
289
288
287
285
288
290
292
292
293
293
292
291
289

Friday 19

Waning Crescent 1%

05:15

18:11

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

Sun - Rise: 06:40, Set: 18:56, Transit: 12:47. Moon - Rise: 05:15, Set: 18:11. Civil Dark: 19:25 - 06:11. Nautical Dark: 20:00 - 05:36. Astro Dark: 20:35 - 05:01

Total Clouds (% Sky Obscured)

40
30
34
51
69
75
68
68
65
67
66
54
43
34
47
60
74
67
61
59

Low Clouds (% Sky Obscured)

17
13
6
3
2
4
3
1
3
7
11
13
15
20
22
26
31
27
23
20

Medium Clouds (% Sky Obscured)

9
6
0
0
0
0
1
0
0
0
0
2
4
6
7
7
7
7
5
4

High Clouds (% Sky Obscured)

19
10
28
47
62
70
68
68
65
57
42
32
40
21
47
60
74
67
61
59

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 (%)

11
9
12
11
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
1

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)

6
5
6
6
7
9
8
6
5
4
4
3
3
3
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

27
27
28
28
27
27
25
23
21
21
20
20
19
18
17
16
15
14
14
14

Feels Like (°C)

22
22
21
30
29
29
29
30
30
19
20
21
21
20
20
17
17
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

41
35
31
32
32
33
39
46
56
58
60
64
67
72
77
83
89
96
92
87

Pressure (mb)

1016
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1018

Ozone (du)

289
288
288
287
287
286
286
285
285
285
284
283
282
281
280
280
279
279
278
278

Forecast for Hemmingford, Montérégie, Canada (45.05,-73.58)

Generated: 13/09/25 12:32:05. Forecast: 13/09/25 to 19/09/25. Timezone: UTC-4.00