Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 18%

01:31

17:32

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

Sun - Rise: 06:37, Set: 19:03, Transit: 12:49. Moon - Rise: 01:31, Set: 17:32. Civil Dark: 19:33 - 06:06. Nautical Dark: 20:09 - 05:31. Astro Dark: 20:46 - 04:54

Total Clouds (% Sky Obscured)

1
2
1
2
17
0
0
13
35
33
64
65
82
96
98
61
41
83
100
100
98
89
93
52

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
20
29
17

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)

1
0
1
2
17
0
0
13
35
33
64
65
82
96
98
61
41
83
100
100
98
89
92
52

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)

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

Chance of Frost

Temperature (°C)

20
17
15
14
12
11
11
10
10
9
9
8
8
8
11
17
19
21
22
24
24
24
24
22

Feels Like (°C)

21
18
16
15
13
11
12
12
10
8
8
7
7
7
11
16
19
20
21
22
22
22
22
22

Dew Point (°C)

13
12
10
9
7
7
6
5
5
5
4
4
3
4
6
9
10
10
11
11
10
11
12
13

Relative Humidity (%)

64
71
73
73
73
73
73
72
73
73
72
73
73
74
71
60
55
50
47
44
43
44
47
55

Pressure (mb)

1023
1023
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021
1020
1019
1019
1018
1018
1017
1017

Ozone (du)

273
273
274
274
273
273
273
273
273
273
275
275
275
275
276
275
275
274
275
275
273
271
272
273

Wednesday 17

Waning Crescent 11%

02:48

17:55

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

Sun - Rise: 06:38, Set: 19:01, Transit: 12:48. Moon - Rise: 02:48, Set: 17:55. Civil Dark: 19:31 - 06:08. Nautical Dark: 20:07 - 05:32. Astro Dark: 20:44 - 04:55

Total Clouds (% Sky Obscured)

39
75
93
100
25
22
20
64
98
95
96
66
60
9
0
0
25
37
70
46
59
99
75
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
10
48
34
56
84
75
90

Medium Clouds (% Sky Obscured)

0
1
0
0
1
0
1
4
4
3
1
0
0
0
0
0
25
33
70
46
39
41
41
60

High Clouds (% Sky Obscured)

39
75
93
100
25
22
20
64
89
83
90
66
60
9
0
0
3
4
4
4
20
10
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
5
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
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
10
25
65
72
58
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.6
0.3
0

Wind Speed/Direction (mph)

5
4
3
3
3
3
2
3
3
3
3
3
3
3
3
5
7
8
9
9
9
10
10
9

Chance of Frost

Temperature (°C)

21
18
16
15
15
14
14
13
12
12
11
12
11
10
14
19
21
22
23
22
20
18
18
16

Feels Like (°C)

20
18
15
15
14
14
13
12
11
11
11
11
10
10
14
20
21
22
22
20
20
17
16
15

Dew Point (°C)

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

Relative Humidity (%)

71
82
87
89
86
84
84
83
84
83
84
86
85
87
79
64
55
48
42
41
46
60
85
83

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1013
1012
1012
1012
1011
1011
1012
1012

Ozone (du)

274
274
275
276
276
276
276
276
277
278
280
281
282
282
283
283
285
284
285
286
287
288
287
286

Thursday 18

Waning Crescent 5%

04:02

17:55

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

Sun - Rise: 06:39, Set: 18:59, Transit: 12:48. Moon - Rise: 04:02, Set: 17:55. Civil Dark: 19:29 - 06:09. Nautical Dark: 20:05 - 05:34. Astro Dark: 20:42 - 04:57

Total Clouds (% Sky Obscured)

94
94
93
94
98
87
73
73
15
16
21
22
20
26
8
14
7
9
8
11
13
17
24
36

Low Clouds (% Sky Obscured)

85
83
84
86
81
72
42
45
15
16
21
22
20
26
8
14
7
9
8
11
13
17
17
20

Medium Clouds (% Sky Obscured)

36
44
31
26
60
38
24
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
1
2
1
1
1
0
0
0
0
0
0
0
0
0
2

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 (%)

11
4
1
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
13
11
10
9
7
6
5
4
6
4
4
4
4
5
5
6
7
6
7
7
7
6
6

Dew Point (°C)

14
13
12
11
10
8
6
5
3
4
3
4
4
5
4
2
-1
-2
-4
-5
-6
-7
-7
-7

Relative Humidity (%)

89
87
87
87
87
83
77
76
71
82
85
90
93
96
84
66
52
44
37
33
31
29
29
31

Pressure (mb)

1012
1013
1013
1014
1014
1014
1015
1015
1015
1015
1016
1016
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019

Ozone (du)

286
285
285
283
281
279
280
281
283
284
284
284
285
287
287
287
288
288
288
289
289
292
291
291

Friday 19

Waning Crescent 1%

05:14

18:14

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

Sun - Rise: 06:40, Set: 18:57, Transit: 12:48. Moon - Rise: 05:14, Set: 18:14. Civil Dark: 19:27 - 06:10. Nautical Dark: 20:03 - 05:35. Astro Dark: 20:39 - 04:58

Total Clouds (% Sky Obscured)

47
53
36
17
0
9
16
22
15
7
2
2
2
3
2
1
0
0
0
0
1
1
2
2

Low Clouds (% Sky Obscured)

27
28
19
8
0
3
5
5
3
2
0
1
1
1
1
0
0
0
0
0
0
0
0
0

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)

2
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2

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)

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

Chance of Frost

Temperature (°C)

8
6
4
3
3
2
2
1
1
0
-1
-1
-1
-1
2
5
7
9
10
11
13
13
13
12

Feels Like (°C)

5
4
3
1
1
0
0
-1
-1
-1
-2
-2
-2
-2
0
3
5
7
8
9
11
12
11
11

Dew Point (°C)

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

Relative Humidity (%)

35
39
49
53
55
57
60
61
65
67
70
74
75
78
66
56
47
39
33
29
27
27
28
29

Pressure (mb)

1020
1021
1022
1023
1024
1025
1025
1026
1027
1027
1028
1028
1029
1029
1030
1029
1029
1029
1028
1027
1027
1026
1026
1026

Ozone (du)

289
288
289
289
289
290
290
289
288
287
288
288
288
288
287
285
283
282
281
281
281
279
278
276

Saturday 20

Waning Crescent 0%

06:23

18:30

18 Good
19 Good
20 Good
21 Good
22 OK
23 OK
00 OK
01 OK
02 OK
03 Good
04 OK
05 OK
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: 06:42, Set: 18:55, Transit: 12:47. Moon - Rise: 06:23, Set: 18:30. Civil Dark: 19:25 - 06:12. Nautical Dark: 20:01 - 05:36. Astro Dark: 20:37 - 05:00

Total Clouds (% Sky Obscured)

1
0
6
15
19
28
28
24
28
18
20
42
88
80
86
94
100
100
100
97
93
92
94
73

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
8
15
23
14
7
0
0
0
0
0
0
1
8
18
30
35
41
42
33

High Clouds (% Sky Obscured)

1
0
6
14
18
25
28
24
28
18
20
42
81
70
73
77
72
49
40
37
51
69
84
58

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
1

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
3
2
2
2
1
2
2
2
2
3
3
3
4
5
6
7
9
9
9
10
9
9
8

Chance of Frost

Temperature (°C)

10
7
6
5
4
4
3
4
4
3
3
3
3
5
6
9
11
13
14
16
18
18
18
17

Feels Like (°C)

10
7
5
5
4
4
3
3
3
2
2
2
2
2
3
5
5
6
7
7
8
14
14
14

Dew Point (°C)

-1
-2
-4
-4
-5
-5
-5
-5
-5
-4
-4
-4
-4
-3
-3
-2
-2
-1
1
2
3
4
5
6

Relative Humidity (%)

47
51
52
53
52
53
53
54
55
57
58
60
60
60
53
48
43
39
39
38
37
41
43
46

Pressure (mb)

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

Ozone (du)

275
275
275
274
274
274
274
274
274
275
275
274
274
274
274
274
274
274
274
274
273
272
272
271

Sunday 21

New Moon 1%

07:31

18:45

18 Bad
19 OK
20 OK
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 OK
10 Good
11 OK
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:43, Set: 18:53, Transit: 12:47. Moon - Rise: 07:31, Set: 18:45. Civil Dark: 19:23 - 06:13. Nautical Dark: 19:58 - 05:38. Astro Dark: 20:35 - 05:01

Total Clouds (% Sky Obscured)

45
15
29
47
68
76
85
93
87
80
73
78
84
54
35
18
9
18
26
33
41
50
58
70

Low Clouds (% Sky Obscured)

0
0
0
0
0
11
21
32
29
26
24
24
24
24
16
8
0
5
11
16
26
37
44
30

Medium Clouds (% Sky Obscured)

22
12
26
44
66
67
67
67
64
61
57
59
60
34
10
4
3
3
2
2
17
33
49
60

High Clouds (% Sky Obscured)

31
0
0
0
0
23
47
69
47
27
8
10
12
15
11
9
4
12
20
29
24
18
13
22

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

Precipitation Probability (%)

8
13
18
19
16
21
24
27
37
44
49
42
33
12
14
10
2
5
6
3
11
13
8
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
14
12
12
11
11
11
11
10
11
11
11
12
12
12
15
17
19
20
21
23
22
21
20

Feels Like (°C)

14
14
14
9
9
10
10
10
10
9
10
9
10
9
9
13
13
14
15
16
17
22
21
20

Dew Point (°C)

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

Relative Humidity (%)

54
63
75
71
70
68
75
81
87
88
91
93
93
90
90
78
67
58
56
53
51
54
57
60

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014

Ozone (du)

270
269
269
268
268
267
267
268
268
269
269
269
270
270
270
270
271
271
270
270
270
270
271
272

Monday 22

Waxing Crescent 4%

08:38

19:00

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

Sun - Rise: 06:44, Set: 18:51, Transit: 12:47. Moon - Rise: 08:38, Set: 19:00. Civil Dark: 19:21 - 06:14. Nautical Dark: 19:56 - 05:39. Astro Dark: 20:33 - 05:03

Total Clouds (% Sky Obscured)

82
93
81
69
57
42
27
21
22
18
19
36
49
57
46
31
19
35
51
67

Low Clouds (% Sky Obscured)

15
0
12
23
32
25
16
8
5
3
0
18
36
55
46
31
19
35
51
56

Medium Clouds (% Sky Obscured)

67
53
50
50
51
42
27
21
22
18
19
36
49
57
46
31
19
19
12
6

High Clouds (% Sky Obscured)

32
43
33
23
12
10
7
11
22
18
19
36
49
57
46
31
19
35
51
67

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 (%)

19
21
27
33
39
32
23
2
16
20
20
19
29
22
36
34
27
44
47
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
17
17
16
16
15
15
15
15
15
15
15
15
16
17
18
20
21
22

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
14
14
14
14
14
14
14
14
14
14
15
15
14
14
14
13

Relative Humidity (%)

64
70
74
79
86
92
92
93
93
95
95
96
96
96
95
86
78
70
64
58

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1015
1015

Ozone (du)

273
274
276
276
276
276
275
274
273
273
272
271
272
272
273
273
273
274
273
272

Forecast for Lac-Saint-Louis, Lanaudière, Canada (46.57,-73.80)

Generated: 16/09/25 18:54:37. Forecast: 16/09/25 to 22/09/25. Timezone: UTC-4.00